Update all to useUSer composabe. Still some bugs to resolve.

src/main.ts

@@ -1,7 +1,6 @@
 import { createApp } from "vue";
 import App from "./App.vue";
 import router from "./router";
-import { createPinia } from "pinia";
 
 import "./assets/main.css";
 import "./assets/transitions.css";
@@ -9,6 +8,5 @@ import "./assets/transitions.css";
 const app = createApp(App);
 
 app.use(router);
-app.use(createPinia());
 
 app.mount("#app");