Add board service and repository, update routes and assets

- Introduced BoardService and BoardRepository for managing board-related data.
- Updated app routes to reflect the new board screen structure.
- Added new board-related assets to the asset manager.
- Refactored BoardScreen navigation to utilize the new provider structure.

lib/core/config/dependencies.dart

@@ -19,8 +19,10 @@ import 'package:tm_app/data/services/your_tenders_service.dart';
 import 'package:tm_app/view_models/final_completion_of_documents_view_model.dart';
 
 import '../../data/repositories/auth_repository.dart';
+import '../../data/repositories/board_repositories.dart';
 import '../../data/repositories/profile_repository.dart';
 import '../../data/services/auth_service.dart';
+import '../../data/services/board_service.dart';
 import '../../data/services/profile_service.dart';
 import '../../data/services/tenders_service.dart';
 import '../../view_models/auth_view_model.dart';
@@ -86,6 +88,10 @@ List<SingleChildWidget> get apiClients {
       create: (context) => NotificationsService(networkManager: context.read()),
       lazy: true,
     ),
+    Provider(
+      create: (context) => BoardService(networkManager: context.read()),
+      lazy: true,
+    ),
   ];
 }
 
@@ -137,6 +143,10 @@ List<SingleChildWidget> get repositories {
               NotificationsRepository(notificationsService: context.read()),
       lazy: true,
     ),
+    Provider(
+      create: (context) => BoardRepository(boardService: context.read()),
+      lazy: true,
+    ),
   ];
 }