feat: dyn topic

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/dynamics/dyn_topic_feed/item.dart

@@ -0,0 +1,16 @@
+import 'package:PiliPlus/models/dynamics/result.dart';
+
+class TopicCardItem {
+  DynamicItemModel? dynamicCardItem;
+  String? topicType;
+
+  TopicCardItem({this.dynamicCardItem, this.topicType});
+
+  factory TopicCardItem.fromJson(Map<String, dynamic> json) => TopicCardItem(
+        dynamicCardItem: json['dynamic_card_item'] == null
+            ? null
+            : DynamicItemModel.fromJson(
+                json['dynamic_card_item'] as Map<String, dynamic>),
+        topicType: json['topic_type'] as String?,
+      );
+}