docs: add directory and example descriptions

README.md

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+# Learning Repository
+
+A curated collection of small projects and code snippets exploring different technologies.
+
+## Directory Overview
+
+### [Cloudflare](Cloudflare/)
+Experiments with Cloudflare Workers and edge functions.
+
+### [Flutter](Flutter/)
+Collection of Flutter demos and patterns.
+
+### [GoogleCloud](GoogleCloud/)
+Examples using Google Cloud services.
+
+### [Kotlin](Kotlin/)
+Kotlin language exercises and snippets.
+
+### [Python](Python/)
+Python scripts and small utilities.
+
+### [Rust](Rust/)
+Rust language experiments.
+
+### [Testing](Testing/)
+Testing frameworks and automation studies.
+
+### [iOS](iOS/)
+iOS and Swift playgrounds and sample apps.
+
+### [json_compare](json_compare/)
+Utilities for comparing JSON structures.
+
+### [study_docker_tailscale](study_docker_tailscale/)
+Experiments combining Docker with Tailscale.
+
+### [study_openai_codex](study_openai_codex/)
+Notes and experiments with OpenAI Codex.
+
+### [Examples Index](examples/)
+Catalog of all example projects grouped by technology.
+

examples/README.md

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+# Examples
+
+This directory indexes all example projects available in this repository.
+
+## Cloudflare
+Projects targeting Cloudflare Workers and related tools.
+- [browser-worker](../Cloudflare/browser-worker/): Cloudflare Worker that captures webpages with Puppeteer and caches screenshots in KV storage.
+
+## Flutter
+Examples using the Flutter framework.
+- [appsync_api_graphal](../Flutter/appsync_api_graphal/): Integrates AWS AppSync via Amplify for GraphQL.
+- [bottom_sheet](../Flutter/bottom_sheet/): Custom modal bottom sheet with tailored animation.
+- [bottom_sheet_keyboard](../Flutter/bottom_sheet_keyboard/): Manages on-screen keyboard with a modal bottom sheet.
+- [builder_widget](../Flutter/builder_widget/): Uses the Builder widget to access a new BuildContext.
+- [camera_demo](../Flutter/camera_demo/): Camera feed with Google ML Kit selfie segmentation.
+- [complex_sliver_sample](../Flutter/complex_sliver_sample/): Shows multiple slivers working together in a scroll view.
+- [custom_localizations_delegate](../Flutter/custom_localizations_delegate/): Implements a custom LocalizationDelegate for translations.
+- [custom_paint](../Flutter/custom_paint/): Draws shapes using Flutter's CustomPaint widget.
+- [custom_switch](../Flutter/custom_switch/): Builds a toggle switch with custom animations.
+- [demo_container_hittest](../Flutter/demo_container_hittest/): Demonstrates hit testing with overlapping containers.
+- [firestore_offline](../Flutter/firestore_offline/): Uses Firestore with offline persistence enabled.
+- [flutter_custom_stack](../Flutter/flutter_custom_stack/): Custom stack layout with positioned widgets.
+- [flutter_flavorizr](../Flutter/flutter_flavorizr/): Generates app flavors using the flavorizr tool.
+- [flutter_in_app_webview_black_flash](../Flutter/flutter_in_app_webview_black_flash/): Fixes black flash issue when loading pages in InAppWebView.
+- [flutter_inappwebview_video_study](../Flutter/flutter_inappwebview_video_study/): Investigation into playing video within InAppWebView.
+- [go_router_demo](../Flutter/go_router_demo/): Demo of go router.
+- [go_router_demo2](../Flutter/go_router_demo2/): Example showing go router demo2.
+- [image_combine](../Flutter/image_combine/): Example showing image combine.
+- [image_combine_rust](../Flutter/image_combine_rust/): Example showing image combine rust.
+- [intrinsic_height](../Flutter/intrinsic_height/): Example showing intrinsic height.
+- [jiffy_demo](../Flutter/jiffy_demo/): Demo of jiffy.
+- [keyboard_animation](../Flutter/keyboard_animation/): Example showing keyboard animation.
+- [metamask_integration](../Flutter/metamask_integration/): Example showing metamask integration.
+- [native_view](../Flutter/native_view/): Example showing native view.
+- [page_storage_sample](../Flutter/page_storage_sample/): Example showing page storage sample.
+- [pageview_keep_state](../Flutter/pageview_keep_state/): Example showing pageview keep state.
+- [row_overflow](../Flutter/row_overflow/): Example showing row overflow.
+- [rxdart](../Flutter/rxdart/): Example showing rxdart.
+- [study_abstract_syntax_tree](../Flutter/study_abstract_syntax_tree/): Study exploring abstract syntax tree.
+- [study_android_background_foreground_services](../Flutter/study_android_background_foreground_services/): Study exploring android background foreground services.
+- [study_apple_sign](../Flutter/study_apple_sign/): Study exploring apple sign.
+- [study_background_mode](../Flutter/study_background_mode/): Study exploring background mode.
+- [study_base_bloc](../Flutter/study_base_bloc/): Study exploring base bloc.
+- [study_cicd](../Flutter/study_cicd/): Study exploring cicd.
+- [study_closures_memory_leaks](../Flutter/study_closures_memory_leaks/): Study exploring closures memory leaks.
+- [study_drift](../Flutter/study_drift/): Study exploring drift.
+- [study_dropdown_menu](../Flutter/study_dropdown_menu/): Study exploring dropdown menu.
+- [study_dynamic_tab_bar](../Flutter/study_dynamic_tab_bar/): Study exploring dynamic tab bar.
+- [study_error_widget](../Flutter/study_error_widget/): Study exploring error widget.
+- [study_facebook_singin](../Flutter/study_facebook_singin/): Study exploring facebook singin.
+- [study_flutter_engine](../Flutter/study_flutter_engine/): Study exploring flutter engine.
+- [study_flutter_performance_test](../Flutter/study_flutter_performance_test/): Study exploring flutter performance test.
+- [study_flutter_plugin_entry_point](../Flutter/study_flutter_plugin_entry_point/): Study exploring flutter plugin entry point.
+- [study_flutter_rust_01](../Flutter/study_flutter_rust_01/): Study exploring flutter rust 01.
+- [study_flutter_slidable](../Flutter/study_flutter_slidable/): Study exploring flutter slidable.
+- [study_form](../Flutter/study_form/): Study exploring form.
+- [study_gesture_arena_team](../Flutter/study_gesture_arena_team/): Study exploring gesture arena team.
+- [study_gif](../Flutter/study_gif/): Study exploring gif.
+- [study_go_router_page_confirm_popup](../Flutter/study_go_router_page_confirm_popup/): Study exploring go router page confirm popup.
+- [study_golden_test](../Flutter/study_golden_test/): Study exploring golden test.
+- [study_graphql_codegen](../Flutter/study_graphql_codegen/): Study exploring graphql codegen.
+- [study_horizontal_nest_scroll](../Flutter/study_horizontal_nest_scroll/): Study exploring horizontal nest scroll.
+- [study_image_combine](../Flutter/study_image_combine/): Study exploring image combine.
+- [study_indexedstack](../Flutter/study_indexedstack/): Study exploring indexedstack.
+- [study_inline_day_picker](../Flutter/study_inline_day_picker/): Study exploring inline day picker.
+- [study_ios_manual_run_engine](../Flutter/study_ios_manual_run_engine/): Study exploring ios manual run engine.
+- [study_ios_share_extension](../Flutter/study_ios_share_extension/): Study exploring ios share extension.
+- [study_mockito](../Flutter/study_mockito/): Study exploring mockito.
+- [study_multiple_push](../Flutter/study_multiple_push/): Study exploring multiple push.
+- [study_network](../Flutter/study_network/): Study exploring network.
+- [study_overlay](../Flutter/study_overlay/): Study exploring overlay.
+- [study_performance_view](../Flutter/study_performance_view/): Study exploring performance view.
+- [study_range_slider](../Flutter/study_range_slider/): Study exploring range slider.
+- [study_rebuild_mechanism](../Flutter/study_rebuild_mechanism/): Study exploring rebuild mechanism.
+- [study_riverpod_provider_scope_overrides](../Flutter/study_riverpod_provider_scope_overrides/): Study exploring riverpod provider scope overrides.
+- [study_shorebird](../Flutter/study_shorebird/): Study exploring shorebird.
+- [study_stick_bottom_button_with_keyboard](../Flutter/study_stick_bottom_button_with_keyboard/): Study exploring stick bottom button with keyboard.
+- [study_textfield_keyboard](../Flutter/study_textfield_keyboard/): Study exploring textfield keyboard.
+- [study_visitor_patterns](../Flutter/study_visitor_patterns/): Study exploring visitor patterns.
+- [study_webSocket_stomp](../Flutter/study_webSocket_stomp/): Study exploring webSocket stomp.
+- [study_websocket](../Flutter/study_websocket/): Study exploring websocket.
+- [study_widgetbook](../Flutter/study_widgetbook/): Study exploring widgetbook.
+- [sync_ios_setting_languages](../Flutter/sync_ios_setting_languages/): Example showing sync ios setting languages.
+- [timezone_study](../Flutter/timezone_study/): Investigation into timezone.
+- [webview_mix](../Flutter/webview_mix/): Example showing webview mix.
+
+## GoogleCloud
+Samples for Google Cloud services.
+- [study_google_cloud_function](../GoogleCloud/study_google_cloud_function/): Study exploring google cloud function.
+
+## Kotlin
+Kotlin language and library demonstrations.
+- [study_kotlin_1](../Kotlin/study_kotlin_1/): Study exploring kotlin 1.
+- [study_sorting](../Kotlin/study_sorting/): Study exploring sorting.
+
+## Python
+Python-based experiments and utilities.
+- [firecrawl_to_markdown](../Python/firecrawl_to_markdown/): Example showing firecrawl to markdown.
+- [study_PySceneDetect](../Python/study_PySceneDetect/): Study exploring PySceneDetect.
+- [study_browser_use](../Python/study_browser_use/): Study exploring browser use.
+- [study_fastapi](../Python/study_fastapi/): Study exploring fastapi.
+- [study_markitdown](../Python/study_markitdown/): Study exploring markitdown.
+
+## Rust
+Rust language study projects.
+- [first_try](../Rust/first_try/): Example showing first try.
+- [image_combine](../Rust/image_combine/): Example showing image combine.
+
+## Testing
+Testing frameworks and automation examples.
+- [appium](../Testing/appium/): Example showing appium.
+- [study_flutter_integration_test](../Testing/study_flutter_integration_test/): Study exploring flutter integration test.
+- [study_pytest](../Testing/study_pytest/): Study exploring pytest.
+
+## iOS
+iOS and Swift experiments.
+- [Animation](../iOS/Animation/): Example showing Animation.
+- [Dynamic height TableView in a Scroll View](../iOS/Dynamic%20height%20TableView%20in%20a%20Scroll%20View/): Example showing Dynamic height TableView in a Scroll View.
+- [KeyPath.playground](../iOS/KeyPath.playground/): Example showing KeyPath.playground.
+- [MyPlayground.playground](../iOS/MyPlayground.playground/): Example showing MyPlayground.playground.
+- [The Composable Architecture Tutorials](../iOS/The%20Composable%20Architecture%20Tutorials/): Example showing The Composable Architecture Tutorials.
+- [TinyConstraints](../iOS/TinyConstraints/): Example showing TinyConstraints.
+- [UILabel_NBSP](../iOS/UILabel_NBSP/): Example showing UILabel NBSP.
+- [alert-show-once](../iOS/alert-show-once/): Example showing alert show once.
+- [card_issuer_mapping.playground](../iOS/card_issuer_mapping.playground/): Example showing card issuer mapping.playground.
+- [carousel](../iOS/carousel/): Example showing carousel.
+- [custom-progress-bars](../iOS/custom-progress-bars/): Example showing custom progress bars.
+- [customview_uicontrol_gesture](../iOS/customview_uicontrol_gesture/): Example showing customview uicontrol gesture.
+- [dynamic-height-RxDataSources](../iOS/dynamic-height-RxDataSources/): Example showing dynamic height RxDataSources.
+- [innerShadow](../iOS/innerShadow/): Example showing innerShadow.
+- [keyValueView](../iOS/keyValueView/): Example showing keyValueView.
+- [label-font](../iOS/label-font/): Example showing label font.
+- [learning-then](../iOS/learning-then/): Example showing learning then.
+- [pointfreeco_10112023](../iOS/pointfreeco_10112023/): Example showing pointfreeco 10112023.
+- [property-wrappers .playground](../iOS/property-wrappers%20.playground/): Example showing property wrappers .playground.
+- [scrollview_keyboard](../iOS/scrollview_keyboard/): Example showing scrollview keyboard.
+- [stack_expand](../iOS/stack_expand/): Example showing stack expand.
+- [study-CGRect.playground](../iOS/study-CGRect.playground/): Example showing study CGRect.playground.
+- [study-accessibility](../iOS/study-accessibility/): Example showing study accessibility.
+- [study-navigation-controller](../iOS/study-navigation-controller/): Example showing study navigation controller.
+- [study_ setNavigationBarHidden](../iOS/study_%20setNavigationBarHidden/): Study exploring  setNavigationBarHidden.
+- [study_AppIntent](../iOS/study_AppIntent/): Study exploring AppIntent.
+- [study_CGAffineTransform.playground](../iOS/study_CGAffineTransform.playground/): Study exploring CGAffineTransform.playground.
+- [study_IGListKit](../iOS/study_IGListKit/): Study exploring IGListKit.
+- [study_KeyboardLayoutGuide](../iOS/study_KeyboardLayoutGuide/): Study exploring KeyboardLayoutGuide.
+- [study_NSOrderedSet.playground](../iOS/study_NSOrderedSet.playground/): Study exploring NSOrderedSet.playground.
+- [study_NavigationStack](../iOS/study_NavigationStack/): Study exploring NavigationStack.
+- [study_RFC3339.playground](../iOS/study_RFC3339.playground/): Study exploring RFC3339.playground.
+- [study_SwiftData](../iOS/study_SwiftData/): Study exploring SwiftData.
+- [study_URLComponents.playground](../iOS/study_URLComponents.playground/): Study exploring URLComponents.playground.
+- [study_autolayout](../iOS/study_autolayout/): Study exploring autolayout.
+- [study_background_modes](../iOS/study_background_modes/): Study exploring background modes.
+- [study_button_group](../iOS/study_button_group/): Study exploring button group.
+- [study_child_viewcontroller](../iOS/study_child_viewcontroller/): Study exploring child viewcontroller.
+- [study_chinese_text_segmentation.playground](../iOS/study_chinese_text_segmentation.playground/): Study exploring chinese text segmentation.playground.
+- [study_closure.playground](../iOS/study_closure.playground/): Study exploring closure.playground.
+- [study_collectionview](../iOS/study_collectionview/): Study exploring collectionview.
+- [study_combine.playground](../iOS/study_combine.playground/): Study exploring combine.playground.
+- [study_combine_backpressure.playground](../iOS/study_combine_backpressure.playground/): Study exploring combine backpressure.playground.
+- [study_combine_integrate_async_await.playground](../iOS/study_combine_integrate_async_await.playground/): Study exploring combine integrate async await.playground.
+- [study_concurrency.playground](../iOS/study_concurrency.playground/): Study exploring concurrency.playground.
+- [study_custom_gesture_in_swiftui](../iOS/study_custom_gesture_in_swiftui/): Study exploring custom gesture in swiftui.
+- [study_custom_navigation_with_push_using_present_animation](../iOS/study_custom_navigation_with_push_using_present_animation/): Study exploring custom navigation with push using present animation.
+- [study_custom_push_animation](../iOS/study_custom_push_animation/): Study exploring custom push animation.
+- [study_drawer](../iOS/study_drawer/): Study exploring drawer.
+- [study_encrypt](../iOS/study_encrypt/): Study exploring encrypt.
+- [study_handling_location_updates_in_the_background](../iOS/study_handling_location_updates_in_the_background/): Study exploring handling location updates in the background.
+- [study_hittest](../iOS/study_hittest/): Study exploring hittest.
+- [study_host_parsing.playground](../iOS/study_host_parsing.playground/): Study exploring host parsing.playground.
+- [study_image_resized.playground](../iOS/study_image_resized.playground/): Study exploring image resized.playground.
+- [study_ios_always_location_permission](../iOS/study_ios_always_location_permission/): Study exploring ios always location permission.
+- [study_js_interaction](../iOS/study_js_interaction/): Study exploring js interaction.
+- [study_keypath](../iOS/study_keypath/): Study exploring keypath.
+- [study_local_network_permission](../iOS/study_local_network_permission/): Study exploring local network permission.
+- [study_map.playground](../iOS/study_map.playground/): Study exploring map.playground.
+- [study_member_level_bar](../iOS/study_member_level_bar/): Study exploring member level bar.
+- [study_navigation_present_behavior](../iOS/study_navigation_present_behavior/): Study exploring navigation present behavior.
+- [study_network_extension](../iOS/study_network_extension/): Study exploring network extension.
+- [study_objc_framework](../iOS/study_objc_framework/): Study exploring objc framework.
+- [study_old_swiftui_navigationView](../iOS/study_old_swiftui_navigationView/): Study exploring old swiftui navigationView.
+- [study_present_detect_dismiss](../iOS/study_present_detect_dismiss/): Study exploring present detect dismiss.
+- [study_proxy_vpn](../iOS/study_proxy_vpn/): Study exploring proxy vpn.
+- [study_regex.playground](../iOS/study_regex.playground/): Study exploring regex.playground.
+- [study_rx_to_concurrency](../iOS/study_rx_to_concurrency/): Study exploring rx to concurrency.
+- [study_rxswift](../iOS/study_rxswift/): Study exploring rxswift.
+- [study_safeAreaInset](../iOS/study_safeAreaInset/): Study exploring safeAreaInset.
+- [study_scrollview](../iOS/study_scrollview/): Study exploring scrollview.
+- [study_share_extension](../iOS/study_share_extension/): Study exploring share extension.
+- [study_show_vs_push](../iOS/study_show_vs_push/): Study exploring show vs push.
+- [study_stripe](../iOS/study_stripe/): Study exploring stripe.
+- [study_swiftui_anchor](../iOS/study_swiftui_anchor/): Study exploring swiftui anchor.
+- [study_swiftui_draw_path](../iOS/study_swiftui_draw_path/): Study exploring swiftui draw path.
+- [study_swiftui_flowlayout](../iOS/study_swiftui_flowlayout/): Study exploring swiftui flowlayout.
+- [study_swiftui_fullScreenCover](../iOS/study_swiftui_fullScreenCover/): Study exploring swiftui fullScreenCover.
+- [study_swiftui_to_image](../iOS/study_swiftui_to_image/): Study exploring swiftui to image.
+- [study_swiftui_view_update](../iOS/study_swiftui_view_update/): Study exploring swiftui view update.
+- [study_tca](../iOS/study_tca/): Study exploring tca.
+- [study_textfield](../iOS/study_textfield/): Study exploring textfield.
+- [study_transform](../iOS/study_transform/): Study exploring transform.
+- [study_uikit_bottom_sheet_without_present](../iOS/study_uikit_bottom_sheet_without_present/): Study exploring uikit bottom sheet without present.
+- [study_uikit_to_image](../iOS/study_uikit_to_image/): Study exploring uikit to image.
+- [study_video_vision](../iOS/study_video_vision/): Study exploring video vision.
+- [study_vision.playground](../iOS/study_vision.playground/): Study exploring vision.playground.
+- [study_webview_image](../iOS/study_webview_image/): Study exploring webview image.
+- [study_webview_observe_height](../iOS/study_webview_observe_height/): Study exploring webview observe height.
+- [study_xcode15](../iOS/study_xcode15/): Study exploring xcode15.
+- [study_xcode_source_editor_extension](../iOS/study_xcode_source_editor_extension/): Study exploring xcode source editor extension.
+- [study_xctrace](../iOS/study_xctrace/): Study exploring xctrace.
+- [swift_combine_conntect.playground](../iOS/swift_combine_conntect.playground/): Example showing swift combine conntect.playground.
+- [swift_generic.playground](../iOS/swift_generic.playground/): Example showing swift generic.playground.
+- [swiftui-animation](../iOS/swiftui-animation/): Example showing swiftui animation.
+- [try_isLowPowerModeEnabled](../iOS/try_isLowPowerModeEnabled/): Example showing try isLowPowerModeEnabled.
+- [webview_inside_scrollview](../iOS/webview_inside_scrollview/): Example showing webview inside scrollview.
+
+## json_compare
+Tools for comparing JSON structures.
+- [.memory_bank](../json_compare/.memory_bank/): Example showing .memory bank.
+- [json-compare-app](../json_compare/json-compare-app/): Example showing json compare app.
+- [test](../json_compare/test/): Example showing test.
+
+## study_docker_tailscale
+Explorations with Docker and Tailscale.
+- [tailscale-docker](../study_docker_tailscale/tailscale-docker/): Example showing tailscale docker.
+
+## study_openai_codex
+Notes on OpenAI Codex (no examples yet).
+- (no examples)