create Backup
suspend fun createBackup(groupId: String, wrappers: List<FlutterWrapperConfig>, storageLocations: List<StorageLocation> = listOf(StorageLocation.CLOUD)): Result<BackupResult>
Create a new backup with specified wrappers.
Parameters
group Id
The wallet group ID to backup
wrappers
List of wrapper configurations (PRF, PIN, Password, etc.)
storage Locations
Where to store the backup (default: CLOUD)