build(playground): dev playgournd时项目启动时runtime加载失败

plaground项目启动完后runtime项目还未启动完成，导致自动打开时runtime加载失败

fix #539

runtime/react/package.json

@@ -5,6 +5,7 @@
   "private": true,
   "scripts": {
     "dev:react": "npm run build:libs && vite --config dev.vite.config.ts",
+    "dev:playground": "vite --config dev.vite.config.ts",
     "build": "npm run build:libs && npm run build:page && npm run build:playground",
     "build:page": "vite build --config build.vite.config.ts --mode page",
     "build:playground": "vite build --config build.vite.config.ts --mode playground",