💄 Redesign the post tags and categories page

lib/pods/post/post_categories.dart

@@ -0,0 +1,52 @@
+// Post Categories Notifier
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/post_category.dart';
+import 'package:island/models/post_tag.dart';
+import 'package:island/pods/network.dart';
+import 'package:island/pods/paging.dart';
+
+final postCategoriesProvider =
+    AsyncNotifierProvider.autoDispose<
+      PostCategoriesNotifier,
+      List<SnPostCategory>
+    >(PostCategoriesNotifier.new);
+
+class PostCategoriesNotifier extends AsyncNotifier<List<SnPostCategory>>
+    with AsyncPaginationController<SnPostCategory> {
+  @override
+  Future<List<SnPostCategory>> fetch() async {
+    final client = ref.read(apiClientProvider);
+
+    final response = await client.get(
+      '/sphere/posts/categories',
+      queryParameters: {'offset': fetchedCount, 'take': 20, 'order': 'usage'},
+    );
+
+    totalCount = int.parse(response.headers.value('X-Total') ?? '0');
+    final data = response.data as List;
+    return data.map((json) => SnPostCategory.fromJson(json)).toList();
+  }
+}
+
+// Post Tags Notifier
+final postTagsProvider =
+    AsyncNotifierProvider.autoDispose<PostTagsNotifier, List<SnPostTag>>(
+      PostTagsNotifier.new,
+    );
+
+class PostTagsNotifier extends AsyncNotifier<List<SnPostTag>>
+    with AsyncPaginationController<SnPostTag> {
+  @override
+  Future<List<SnPostTag>> fetch() async {
+    final client = ref.read(apiClientProvider);
+
+    final response = await client.get(
+      '/sphere/posts/tags',
+      queryParameters: {'offset': fetchedCount, 'take': 20, 'order': 'usage'},
+    );
+
+    totalCount = int.parse(response.headers.value('X-Total') ?? '0');
+    final data = response.data as List;
+    return data.map((json) => SnPostTag.fromJson(json)).toList();
+  }
+}