Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

extensions/plugin-import-2x/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "outDir": "./dist",
+    "rootDir": "./creator",
+    "strict": true,
+    "esModuleInterop": true,
+    "experimentalDecorators": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "exclude": [
+    "./static",
+    "./unpack"
+  ]
+}