fix(router): add routes for archived headlines, topics, and sources pages

Author: fulleni

lib/router/router.dart

@@ -10,6 +10,9 @@ import 'package:flutter_news_app_web_dashboard_full_source_code/authentication/b
 import 'package:flutter_news_app_web_dashboard_full_source_code/authentication/view/authentication_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/authentication/view/email_code_verification_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/authentication/view/request_code_page.dart';
+import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/archived_headlines_page.dart';
+import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/archived_sources_page.dart';
+import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/archived_topics_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/content_management_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/create_headline_page.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/content_management/view/create_source_page.dart';
@@ -199,20 +202,17 @@ GoRouter createRouter({
                   GoRoute(
                     path: Routes.archivedHeadlines,
                     name: Routes.archivedHeadlinesName,
-                    builder: (context, state) =>
-                        const Placeholder(),
+                    builder: (context, state) => const ArchivedHeadlinesPage(),
                   ),
                   GoRoute(
                     path: Routes.archivedTopics,
                     name: Routes.archivedTopicsName,
-                    builder: (context, state) =>
-                        const Placeholder(),
+                    builder: (context, state) => const ArchivedTopicsPage(),
                   ),
                   GoRoute(
                     path: Routes.archivedSources,
                     name: Routes.archivedSourcesName,
-                    builder: (context, state) =>
-                        const Placeholder(),
+                    builder: (context, state) => const ArchivedSourcesPage(),
                   ),
                 ],
               ),