notificaciones al pedir servicio y al enviar mensaje de chat

lib/blocs/notification_bloc/notification_state.dart

@@ -0,0 +1,21 @@
+part of 'notification_bloc.dart';
+
+class NotificationState extends Equatable {
+  final AuthorizationStatus status;
+
+  const NotificationState({
+    this.status = AuthorizationStatus.notDetermined,
+  });
+
+  NotificationState copyWith({
+    AuthorizationStatus? status,
+  }) =>
+      NotificationState(
+        status: status ?? this.status,
+      );
+
+  @override
+  List<Object> get props => [status];
+}
+
+class NotificationInitial extends NotificationState {}