feat(router): add archived content page route

- Import ArchivedContentPage in router.dart
- Add new GoRoute for archived content page
- Define routes for archived content in routes.dart

Author: fulleni

lib/router/router.dart

@@ -17,6 +17,7 @@ import 'package:flutter_news_app_web_dashboard_full_source_code/content_manageme
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/edit_headline_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/edit_source_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/edit_topic_page.dart';
+import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/archived_content_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/dashboard/view/dashboard_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/router/routes.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/settings/view/settings_page.dart';
@@ -196,6 +197,11 @@ GoRouter createRouter({
                       return EditSourcePage(sourceId: id);
                     },
                   ),
+                  GoRoute(
+                    path: Routes.archivedContent,
+                    name: Routes.archivedContentName,
+                    builder: (context, state) => const ArchivedContentPage(),
+                  ),
                 ],
               ),
             ],

lib/router/routes.dart

@@ -44,6 +44,12 @@ abstract final class Routes {
   /// The name for the content management section route.
   static const String contentManagementName = 'contentManagement';
 
+  /// The path for the archived content page.
+  static const String archivedContent = 'archived-content';
+
+  /// The name for the archived content page route.
+  static const String archivedContentName = 'archivedContent';
+
   /// The path for creating a new headline.
   static const String createHeadline = 'create-headline';