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/static/migrate-resources/default-assets-2d/prefab/tiledtile.prefab.meta

@@ -0,0 +1,8 @@
+{
+  "ver": "1.2.9",
+  "uuid": "0e42ba95-1fa1-46aa-b2cf-143cd1bcee2c",
+  "optimizationPolicy": "AUTO",
+  "asyncLoadAssets": false,
+  "readonly": false,
+  "subMetas": {}
+}