feat(@vben/stores): export defineStore to support pinia persistence within apps (#4483)

Co-authored-by: Li Kui <90845831+likui628@users.noreply.github.com>

packages/stores/src/index.ts

@@ -1,3 +1,3 @@
 export * from './modules';
 export * from './setup';
-export { storeToRefs } from 'pinia';
+export { defineStore, storeToRefs } from 'pinia';