feat(localization): expand language support and enhance UI for user settings

- Added support for additional UI locales including Cebuano and Spanish, improving accessibility for a broader user base.
- Updated language selection components in the AppHeader and SettingsWidget to reflect new language options, enhancing user experience.
- Enhanced localization of various UI elements across components, ensuring consistent language representation and improved user engagement.
- Implemented logic to synchronize user language preferences with backend settings, providing a seamless experience when changing languages.

frontend/src/i18n/locales/ceb/friends.json

@@ -1,6 +1,12 @@
 {
   "friends": {
+    "kicker": "Komunidad",
+    "intro": "Mga panaghigala, bukas nga mga hangyo ug nagpadayon nga mga kontak sa usa ka lugar.",
     "title": "Mga higala",
+    "stats": {
+      "existing": "Naa na",
+      "open": "Abli"
+    },
     "tabs": {
       "existing": "Naa na",
       "rejected": "Gibalibaran",