feat(app): inject countries and languages repositories

- Add DataRepository<Country> and DataRepository<Language> to App constructor
- Update RepositoryProvider values in MultiRepositoryProvider

Author: fulleni

lib/app/view/app.dart

@@ -32,29 +32,35 @@ class App extends StatelessWidget {
     userContentPreferencesRepository,
     required DataRepository<RemoteConfig> remoteConfigRepository,
     required DataRepository<DashboardSummary> dashboardSummaryRepository,
+    required DataRepository<Country> countriesRepository,
+    required DataRepository<Language> languagesRepository,
     required KVStorageService storageService,
     required AppEnvironment environment,
     super.key,
-  }) : _authenticationRepository = authenticationRepository,
-       _headlinesRepository = headlinesRepository,
-       _topicsRepository = topicsRepository,
-       _sourcesRepository = sourcesRepository,
-       _userAppSettingsRepository = userAppSettingsRepository,
-       _userContentPreferencesRepository = userContentPreferencesRepository,
-       _remoteConfigRepository = remoteConfigRepository,
-       _kvStorageService = storageService,
-       _dashboardSummaryRepository = dashboardSummaryRepository,
-       _environment = environment;
+  })  : _authenticationRepository = authenticationRepository,
+        _headlinesRepository = headlinesRepository,
+        _topicsRepository = topicsRepository,
+        _sourcesRepository = sourcesRepository,
+        _userAppSettingsRepository = userAppSettingsRepository,
+        _userContentPreferencesRepository = userContentPreferencesRepository,
+        _remoteConfigRepository = remoteConfigRepository,
+        _kvStorageService = storageService,
+        _dashboardSummaryRepository = dashboardSummaryRepository,
+        _countriesRepository = countriesRepository,
+        _languagesRepository = languagesRepository,
+        _environment = environment;
 
   final AuthRepository _authenticationRepository;
   final DataRepository<Headline> _headlinesRepository;
   final DataRepository<Topic> _topicsRepository;
   final DataRepository<Source> _sourcesRepository;
   final DataRepository<UserAppSettings> _userAppSettingsRepository;
   final DataRepository<UserContentPreferences>
-  _userContentPreferencesRepository;
+      _userContentPreferencesRepository;
   final DataRepository<RemoteConfig> _remoteConfigRepository;
   final DataRepository<DashboardSummary> _dashboardSummaryRepository;
+  final DataRepository<Country> _countriesRepository;
+  final DataRepository<Language> _languagesRepository;
   final KVStorageService _kvStorageService;
   final AppEnvironment _environment;
 
@@ -70,6 +76,8 @@ class App extends StatelessWidget {
         RepositoryProvider.value(value: _userContentPreferencesRepository),
         RepositoryProvider.value(value: _remoteConfigRepository),
         RepositoryProvider.value(value: _dashboardSummaryRepository),
+        RepositoryProvider.value(value: _countriesRepository),
+        RepositoryProvider.value(value: _languagesRepository),
         RepositoryProvider.value(value: _kvStorageService),
       ],
       child: MultiBlocProvider(