Move rust-analyzer extension into this repository

rust-analyzer/editors/code/.eslintrc.js

@@ -0,0 +1,38 @@
+module.exports = {
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "project": "tsconfig.json",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "camelcase": ["error"],
+        "eqeqeq": ["error", "always", { "null": "ignore" }],
+        "no-console": ["error"],
+        "prefer-const": "error",
+        "@typescript-eslint/member-delimiter-style": [
+            "error",
+            {
+                "multiline": {
+                    "delimiter": "semi",
+                    "requireLast": true
+                },
+                "singleline": {
+                    "delimiter": "semi",
+                    "requireLast": false
+                }
+            }
+        ],
+        "@typescript-eslint/semi": [
+            "error",
+            "always"
+        ],
+        "@typescript-eslint/no-unnecessary-type-assertion": "error"
+    }
+};

rust-analyzer/editors/code/.gitignore

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+out
+node_modules
+.vscode-test/
+*.vsix
+bundle

rust-analyzer/editors/code/.vscodeignore

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+**
+!out/src/main.js
+!package.json
+!package-lock.json
+!ra_syntax_tree.tmGrammar.json
+!rust.tmGrammar.json
+!icon.png
+!README.md

rust-analyzer/editors/code/README.md

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+# rust-analyzer
+
+Provides support for rust-analyzer: novel LSP server for the Rust programming language.
+
+See https://rust-analyzer.github.io/ for more information.