opt models

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

lib/models_new/pgc/pgc_info_model/activity.dart

@@ -0,0 +1,13 @@
+class Activity {
+  String? headBgUrl;
+  int? id;
+  String? title;
+
+  Activity({this.headBgUrl, this.id, this.title});
+
+  factory Activity.fromJson(Map<String, dynamic> json) => Activity(
+        headBgUrl: json['head_bg_url'] as String?,
+        id: json['id'] as int?,
+        title: json['title'] as String?,
+      );
+}