feat: fav topic

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

lib/models/user/fav_topic/topic_item.dart

@@ -0,0 +1,39 @@
+class FavTopicModel {
+  int? id;
+  String? name;
+  int? view;
+  int? discuss;
+  String? jumpUrl;
+  String? statDesc;
+  bool? showInteractData;
+
+  FavTopicModel({
+    this.id,
+    this.name,
+    this.view,
+    this.discuss,
+    this.jumpUrl,
+    this.statDesc,
+    this.showInteractData,
+  });
+
+  factory FavTopicModel.fromJson(Map<String, dynamic> json) => FavTopicModel(
+        id: json['id'] as int?,
+        name: json['name'] as String?,
+        view: json['view'] as int?,
+        discuss: json['discuss'] as int?,
+        jumpUrl: json['jump_url'] as String?,
+        statDesc: json['stat_desc'] as String?,
+        showInteractData: json['show_interact_data'] as bool?,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'name': name,
+        'view': view,
+        'discuss': discuss,
+        'jump_url': jumpUrl,
+        'stat_desc': statDesc,
+        'show_interact_data': showInteractData,
+      };
+}