fix(editor): fix build errors and refactor behavior-tree architecture (#394)

* docs: add editor-app README with setup instructions

* docs: add separate EN/CN editor setup guides

* fix(editor): fix build errors and refactor behavior-tree architecture

- Fix fairygui-editor tsconfig extends path and add missing tsconfig.build.json
- Refactor behavior-tree-editor to not depend on asset-system in runtime
  - Create local BehaviorTreeRuntimeModule for pure runtime logic
  - Move asset loader registration to editor module install()
  - Add BehaviorTreeLoader for asset system integration
- Fix rapier2d WASM loader to not pass arguments to init()
- Add WASM base64 loader config to rapier2d tsup.config
- Update README documentation and simplify setup steps

packages/physics/rapier2d/package.json

@@ -19,11 +19,13 @@
   ],
   "scripts": {
     "gen:src": "node scripts/gen-src.mjs",
-    "build": "pnpm gen:src && tsup",
-    "clean": "rimraf dist src"
+    "build": "tsup",
+    "build:regen": "pnpm gen:src && tsup",
+    "clean": "rimraf dist"
   },
   "license": "Apache-2.0",
   "devDependencies": {
+    "base64-js": "^1.5.1",
     "rimraf": "^5.0.0",
     "tsup": "^8.0.0",
     "typescript": "^5.0.0"