Enhance frontend UI and functionality

- Added page transition effects in app.vue for smoother navigation.
- Updated nuxt.config.ts to include custom font styles and page transitions.
- Improved loading indicators in MapPageWrapper.vue and login.vue for better user experience.
- Enhanced MapView.vue with a collapsible control panel and improved styling.
- Introduced new icons for various components to enhance visual consistency.
- Updated Tailwind CSS configuration to extend font families and improve theme management.
- Refined layout styles in default.vue and admin pages for better responsiveness and aesthetics.
- Implemented error handling and loading states across various forms for improved user feedback.

frontend-nuxt/assets/css/app.css

@@ -7,3 +7,22 @@ body,
 #__nuxt {
   height: 100%;
 }
+
+body {
+  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
+}
+
+@keyframes login-card-in {
+  from {
+    opacity: 0;
+    transform: translateY(1rem);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.login-card {
+  animation: login-card-in 0.3s ease-out;
+}