feat: 预设 pinia 相关文件

src/store/index.ts

@@ -0,0 +1,9 @@
+import type { App } from 'vue'
+import { createPinia } from 'pinia'
+
+export function setupStore(app: App) {
+  const store = createPinia()
+  app.use(store)
+}
+
+export * from './modules'