chore: Restore .vscode config files (#12605)

Randomly removed in #7839
Adjusted paths for Azure/autorest repo reorg

Author: nschonni

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "EditorConfig.EditorConfig",
+    "esbenp.prettier-vscode",
+    "docsmsft.docs-authoring-pack"
+  ]
+}

.vscode/launch.json

@@ -0,0 +1,27 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Mocha Tests",
+      "program": "${workspaceFolder}/node_modules/mocha/bin/_mocha",
+      "args": [
+        "--timeout",
+        "999999",
+        "--colors",
+        "${workspaceFolder}/test/syntax.js"
+      ],
+      "internalConsoleOptions": "openOnSessionStart"
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Launch Program",
+      "program": "${file}"
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,27 @@
+// Place your settings in this file to overwrite default and user settings.
+{
+  "json.schemas": [
+    {
+      "fileMatch": [
+        "/**/specification/*.json"
+      ],
+      "url": "https://raw.githubusercontent.com/Azure/autorest/master/packages/libs/autorest-schemas/swagger-extensions.json"
+    },
+    {
+      "fileMatch": [
+        "/**/examples/*.json"
+      ],
+      "url": "https://raw.githubusercontent.com/Azure/autorest/master/packages/libs/autorest-schemas/example-schema.json"
+    },
+    {
+      "fileMatch": [
+        "/**/composite*.json"
+      ],
+      "url": "https://raw.githubusercontent.com/Azure/autorest/master/packages/libs/autorest-schemas/composite-swagger.json"
+    }
+  ],
+  "typescript.tsdk": "node_modules\\typescript\\lib",
+  "[json]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  }
+}