Update various configuration files, components, and assets; enhance notification system and API endpoints; improve documentation and styles across the application.

plugins/vue-calendar.js

@@ -0,0 +1,5 @@
+import VCalendar from "v-calendar";
+import "v-calendar/style.css";
+export default defineNuxtPlugin((nuxtApp) => {
+  nuxtApp.vueApp.use(VCalendar);
+});