docs: update playground

README.md

@@ -2,7 +2,6 @@
 
 [![NPM version](https://img.shields.io/npm/v/pinia-auto-refs?color=a1b858&label=)](https://www.npmjs.com/package/pinia-auto-refs)
 [![NPM downloads](https://img.shields.io/npm/dm/pinia-auto-refs.svg?style=flat)](https://npmjs.com/package/pinia-auto-refs)
-[playground](stackblitz.com/edit/vitejs-vite-rf7juf)
 
 Pinia Auto Refs on-demand for Vite. With TypeScript support. Powered by [unplugin-auto-import](https://github.com/antfu/unplugin-auto-import).Inspiration by [vieruuuu](https://github.com/vieruuuu) in [pinia/issues#718](https://github.com/vuejs/pinia/issues/718).
 
@@ -83,3 +82,6 @@ export default defineStore({
   /* ... */
 })
 ```
+## Playground
+
+[playground](stackblitz.com/edit/vitejs-vite-rf7juf)