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/editor/plugins/fairygui-editor/tsconfig.json

@@ -1,6 +1,7 @@
 {
-    "extends": "../build-config/tsconfig.json",
+    "extends": "../../../../tsconfig.base.json",
     "compilerOptions": {
+        "composite": true,
         "outDir": "./dist",
         "rootDir": "./src",
         "jsx": "react-jsx",