add config backup ftp/sftp default value

app/Repositories/ToolRepository.php

@@ -136,6 +136,8 @@ class ToolRepository extends BaseRepository
 
         do_log("[BACKUP_ALL_DONE]: " . json_encode($backupResult));
 
+        return $backupResult;
+
     }
 
     private function saveToGoogleDrive(array $setting, $filename): bool|string

nexus/Install/settings.default.php

@@ -394,6 +394,8 @@ return array (
     'google_drive_client_secret' => '',
     'google_drive_refresh_token' => '',
     'google_drive_folder_id' => '',
+      'via_ftp' => 'no',
+      'via_sftp' => 'no',
   ),
      'hr' => [
          'mode' => HitAndRun::MODE_DISABLED,