♻️ Refactor code

frontend/src/main.ts

@@ -4,11 +4,12 @@ import '@/assets/styles/index.css';
 import {createPinia} from 'pinia';
 import i18n from './i18n';
 import router from './router';
+import piniaPluginPersistedstate from 'pinia-plugin-persistedstate'
 
 const pinia = createPinia()
-
+pinia.use(piniaPluginPersistedstate)
 const app = createApp(App);
 app.use(pinia)
 app.use(i18n);
 app.use(router);
-app.mount('#app');
+app.mount('#app');