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

plugins/vue-country-flag.js

@@ -0,0 +1,7 @@
+// Import vue 3 plugin here
+import CountryFlag from "vue-country-flag-next";
+
+// Install the plugin
+export default defineNuxtPlugin((nuxtApp) => {
+  nuxtApp.vueApp.component("CountryFlag", CountryFlag);
+});