TF-4243 Add datasource/repository/interactor for delete a label feature

lib/features/labels/domain/state/delete_a_label_state.dart

@@ -0,0 +1,17 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class DeletingALabel extends LoadingState {}
+
+class DeleteALabelSuccess extends UIState {
+  final String labelDisplayName;
+
+  DeleteALabelSuccess(this.labelDisplayName);
+
+  @override
+  List<Object> get props => [labelDisplayName];
+}
+
+class DeleteALabelFailure extends FeatureFailure {
+  DeleteALabelFailure(dynamic exception) : super(exception: exception);
+}