workflow: add sfc playground build script [ci skip]

Author: yyx990803

package.json

@@ -18,7 +18,8 @@
     "dev-compiler": "npm-run-all --parallel \"dev template-explorer\" serve",
     "serve": "serve",
     "open": "open http://localhost:5000/packages/template-explorer/local.html",
-    "preinstall": "node ./scripts/checkYarn.js"
+    "preinstall": "node ./scripts/checkYarn.js",
+    "build-sfc-playground": "node scripts/build.js vue -df esm-browser && node scripts/build.js compiler-sfc -f esm-browser && cd packages/sfc-playground && vite build"
   },
   "types": "test-dts/index.d.ts",
   "tsd": {