Added fail pages to retry the failed operation to delivery overview, notes and cars. Furthermore, I added better handling if the user is finished scanning articles.

lib/feature/delivery/bloc/tour_state.dart

@@ -1,5 +1,3 @@
-import 'package:hl_lieferservice/feature/delivery/overview/model/sorting_information.dart';
-
 import '../../../../model/tour.dart';
 
 abstract class TourState {}
@@ -8,6 +6,8 @@ class TourInitial extends TourState {}
 
 class TourLoading extends TourState {}
 
+class TourLoadingFailed extends TourState {}
+
 class TourRequestingDistances extends TourState {
   Tour tour;
   List<Payment> payments;