Refactor radio settings and localization updates

fixes #72

- Removed preset configurations for 915 MHz, 868 MHz, and 433 MHz from the RadioSettings model.
- Introduced a new list of regional preset configurations for various countries.
- Updated the settings screen to use a dropdown for selecting presets instead of chips.
- Added a switch for enabling client repeat functionality with appropriate warnings for frequency usage.
- Updated localization files for multiple languages to reflect changes in settings related to client repeat functionality.

lib/l10n/app_fr.arb

@@ -131,9 +131,6 @@
   "settings_infoContactsCount": "Nombre de contacts",
   "settings_infoChannelCount": "Nombre de canaux",
   "settings_presets": "Préréglages",
-  "settings_preset915Mhz": "915 MHz",
-  "settings_preset868Mhz": "868 MHz",
-  "settings_preset433Mhz": "433 MHz",
   "settings_frequency": "Fréquence (MHz)",
   "settings_frequencyHelper": "300,0 - 2 500,0",
   "settings_frequencyInvalid": "Fréquence invalide (300-2500 MHz)",
@@ -143,8 +140,6 @@
   "settings_txPower": "TX Puissance (dBm)",
   "settings_txPowerHelper": "0 - 22",
   "settings_txPowerInvalid": "Puissance TX invalide (0-22 dBm)",
-  "settings_longRange": "Portée Longue",
-  "settings_fastSpeed": "Vitesse Rapide",
   "settings_error": "Erreur : {message}",
   "@settings_error": {
     "placeholders": {
@@ -1598,5 +1593,8 @@
   "map_runTrace": "Exécuter la traçage de chemin",
   "scanner_bluetoothOffMessage": "Veuillez activer le Bluetooth pour rechercher des appareils.",
   "scanner_bluetoothOff": "Le Bluetooth est désactivé.",
-  "scanner_enableBluetooth": "Activer le Bluetooth"
+  "scanner_enableBluetooth": "Activer le Bluetooth",
+  "settings_clientRepeatFreqWarning": "Pour les transmissions hors réseau, il est nécessaire d'utiliser les fréquences de 433, 869 ou 918 MHz.",
+  "settings_clientRepeatSubtitle": "Permettez à cet appareil de répéter les paquets de données pour les autres.",
+  "settings_clientRepeat": "Répétition hors réseau"
 }