fix: 修复 changesets 验证错误 (#337)

- 简化 ignore 配置，只保留 editor-app
- 设置内部包为 private: true
  - build-config, engine, ecs-engine-bindgen
  - editor-core, editor-runtime
  - 所有 *-editor 插件包

这样 changesets 可以正常工作，private 包不会被发布

packages/editor-core/package.json

@@ -76,5 +76,6 @@
     "type": "git",
     "url": "https://github.com/esengine/esengine.git",
     "directory": "packages/editor-core"
-  }
+  },
+  "private": true
 }