fix: registration step

lib/features/auth/registration/viewmodel/submission_data_viewmodel.dart

@@ -13,6 +13,8 @@ class SubmissionDataViewModel extends ChangeNotifier {
   TextEditingController ctrlIncome = TextEditingController();
   TextEditingController ctrlMarital = TextEditingController();
   TextEditingController ctrlSourceFund = TextEditingController();
+  TextEditingController ctrlBankName = TextEditingController();
+  int step = 1;
 
   List<ItemSelectForm> listOccupation = [
     ItemSelectForm('key1', 'Student'),
@@ -35,6 +37,14 @@ class SubmissionDataViewModel extends ChangeNotifier {
     ItemSelectForm('key3', 'Saving interest'),
   ];
 
+  List<ItemSelectForm> listBank = [
+    ItemSelectForm('key1', 'BCA'),
+    ItemSelectForm('key2', 'BRI'),
+    ItemSelectForm('key3', 'BNI'),
+    ItemSelectForm('key4', 'BANK MANDIRI'),
+    ItemSelectForm('key5', 'CIMB NIAGA'),
+  ];
+
   Future<List<CameraDescription>> initCamera() async {
     final cameras = await availableCameras();
     final camerasDesc = cameras;
@@ -64,4 +74,13 @@ class SubmissionDataViewModel extends ChangeNotifier {
 
     notifyListeners();
   }
+
+  Future<bool> next(BuildContext context) async {
+    if (getCurrentStep < stepAmount) {
+      _currentStep++;
+      notifyListeners();
+      return true;
+    }
+    return false;
+  }
 }