feat: Add support for hash and private channels with corresponding UI updates

- Introduced new localization strings for channel types and their descriptions in Italian, German, Spanish, French, Croatian, Slovenian, and English.
- Updated the `AppProvider` to handle channel info reception, including deletion of channels and updating the UI accordingly.
- Enhanced `ChannelsProvider` to support channel removal and notify listeners.
- Modified `ConnectionProvider` to include methods for checking empty channel slots and deleting channels.
- Updated BLE service methods to handle channel deletion and verification.
- Improved the `AddChannelDialog` to differentiate between hash and private channels, including dynamic UI elements based on channel type.
- Added delete functionality for channels in the `ContactTile` widget with confirmation dialogs.
- Adjusted permission request dialog behavior to allow dismissing by tapping outside.

lib/l10n/app_localizations_es.dart

@@ -2081,6 +2081,14 @@ class AppLocalizationsEs extends AppLocalizations {
   String get channelSecretHelp =>
       'Esta contraseña debe compartirse con todos los miembros del equipo que necesiten acceso a este canal';
 
+  @override
+  String get channelTypesInfo =>
+      'Canales hash (#equipo): Contraseña generada automáticamente del nombre. Mismo nombre = mismo canal en todos los dispositivos.\n\nCanales privados: Use contraseña explícita. Solo aquellos con la contraseña pueden unirse.';
+
+  @override
+  String get hashChannelInfo =>
+      'Canal hash: La contraseña se generará automáticamente del nombre del canal. Cualquiera que use el mismo nombre se unirá al mismo canal.';
+
   @override
   String get channelNameRequired => 'El nombre del canal es obligatorio';