docs(img): update angular to standalone (#3932)

Author: brandyscarney

static/usage/v7/img/basic/angular.md renamed to static/usage/v7/img/basic/angular/example_component_html.md

@@ -0,0 +1,12 @@
+```ts
+import { Component } from '@angular/core';
+import { IonImg } from '@ionic/angular/standalone';
+
+@Component({
+  selector: 'app-example',
+  templateUrl: 'example.component.html',
+  styleUrls: ['example.component.css'],
+  imports: [IonImg],
+})
+export class ExampleComponent {}
+```

static/usage/v7/img/basic/angular/example_component_ts.md

@@ -3,6 +3,22 @@ import Playground from '@site/src/components/global/Playground';
 import javascript from './javascript.md';
 import react from './react.md';
 import vue from './vue.md';
-import angular from './angular.md';
 
-<Playground version="7" code={{ javascript, react, vue, angular }} src="usage/v7/img/basic/demo.html" />
+import angular_example_component_html from './angular/example_component_html.md';
+import angular_example_component_ts from './angular/example_component_ts.md';
+
+<Playground
+  version="7"
+  code={{
+    javascript,
+    react,
+    vue,
+    angular: {
+      files: {
+        'src/app/example.component.html': angular_example_component_html,
+        'src/app/example.component.ts': angular_example_component_ts,
+      },
+    },
+  }}
+  src="usage/v7/img/basic/demo.html"
+/>

static/usage/v7/img/basic/index.md

@@ -0,0 +1,12 @@
+```ts
+import { Component } from '@angular/core';
+import { IonImg } from '@ionic/angular/standalone';
+
+@Component({
+  selector: 'app-example',
+  templateUrl: 'example.component.html',
+  styleUrls: ['example.component.css'],
+  imports: [IonImg],
+})
+export class ExampleComponent {}
+```

static/usage/v8/img/basic/angular.md renamed to static/usage/v8/img/basic/angular/example_component_html.md

@@ -3,6 +3,22 @@ import Playground from '@site/src/components/global/Playground';
 import javascript from './javascript.md';
 import react from './react.md';
 import vue from './vue.md';
-import angular from './angular.md';
 
-<Playground version="8" code={{ javascript, react, vue, angular }} src="usage/v8/img/basic/demo.html" />
+import angular_example_component_html from './angular/example_component_html.md';
+import angular_example_component_ts from './angular/example_component_ts.md';
+
+<Playground
+  version="8"
+  code={{
+    javascript,
+    react,
+    vue,
+    angular: {
+      files: {
+        'src/app/example.component.html': angular_example_component_html,
+        'src/app/example.component.ts': angular_example_component_ts,
+      },
+    },
+  }}
+  src="usage/v8/img/basic/demo.html"
+/>