feat: Implement message management features including sending, deleting, updating, and reacting to messages

lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:travel_mate/blocs/message/message_bloc.dart';
 import 'package:travel_mate/services/error_service.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart'; 
 import 'blocs/auth/auth_bloc.dart';
@@ -15,6 +16,7 @@ import 'repositories/auth_repository.dart';
 import 'repositories/trip_repository.dart';
 import 'repositories/user_repository.dart';
 import 'repositories/group_repository.dart';
+import 'repositories/message_repository.dart';
 import 'pages/login.dart';
 import 'pages/home.dart';
 import 'pages/signup.dart';
@@ -47,6 +49,9 @@ class MyApp extends StatelessWidget {
         RepositoryProvider<GroupRepository>(
           create: (context) => GroupRepository(),
         ),
+        RepositoryProvider<MessageRepository>(
+          create: (context) => MessageRepository(),
+        ),
       ],
       child: MultiBlocProvider(
         providers: [
@@ -66,6 +71,9 @@ class MyApp extends StatelessWidget {
                 TripBloc(context.read<TripRepository>()),
           ),
           BlocProvider(create: (context) => UserBloc()),
+          BlocProvider(
+            create: (context) => MessageBloc(),
+            ),
         ],
         child: BlocBuilder<ThemeBloc, ThemeState>(
           builder: (context, themeState) {