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_fr.dart

@@ -2085,6 +2085,14 @@ class AppLocalizationsFr extends AppLocalizations {
   String get channelSecretHelp =>
       'Ce mot de passe doit être partagé avec tous les membres de l\'équipe qui ont besoin d\'accéder à ce canal';
 
+  @override
+  String get channelTypesInfo =>
+      'Canaux hash (#équipe) : Mot de passe généré automatiquement à partir du nom. Même nom = même canal sur tous les appareils.\n\nCanaux privés : Utilisez un mot de passe explicite. Seuls ceux qui ont le mot de passe peuvent rejoindre.';
+
+  @override
+  String get hashChannelInfo =>
+      'Canal hash : Le mot de passe sera automatiquement généré à partir du nom du canal. Toute personne utilisant le même nom rejoindra le même canal.';
+
   @override
   String get channelNameRequired => 'Le nom du canal est requis';