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/behavior-tree-editor/tsup.config.ts

@@ -2,6 +2,8 @@ import { defineConfig } from 'tsup';
 import { editorOnlyPreset } from '../../../tools/build-config/src/presets/plugin-tsup';
 
 export default defineConfig({
-    ...editorOnlyPreset(),
+    ...editorOnlyPreset({
+        external: ['@esengine/asset-system']
+    }),
     tsconfig: 'tsconfig.build.json'
 });