fixed vibration switch

lib/services/settings_controller.dart

@@ -16,6 +16,7 @@ class SettingsController extends ChangeNotifier {
   }
 
   Future<void> toggleVibration(bool value) async {
+    print("Toggling vibration to: $value");
     _vibrationEnabled = value;
     final prefs = await SharedPreferences.getInstance();
     await prefs.setBool('vibration_enabled', value);