feat: search trending page

Closes #684

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

lib/models/search/search_trending/trending_data.dart

@@ -0,0 +1,28 @@
+import 'package:PiliPlus/models/search/search_trending/trending_list.dart';
+
+class TrendingData {
+  String? trackid;
+  List<TrendingList>? list;
+  List<TrendingList>? topList;
+  String? hotwordEggInfo;
+
+  TrendingData({this.trackid, this.list, this.topList, this.hotwordEggInfo});
+
+  factory TrendingData.fromJson(Map<String, dynamic> json) => TrendingData(
+        trackid: json['trackid'] as String?,
+        list: (json['list'] as List<dynamic>?)
+            ?.map((e) => TrendingList.fromJson(e as Map<String, dynamic>))
+            .toList(),
+        topList: (json['top_list'] as List<dynamic>?)
+            ?.map((e) => TrendingList.fromJson(e as Map<String, dynamic>))
+            .toList(),
+        hotwordEggInfo: json['hotword_egg_info'] as String?,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'trackid': trackid,
+        'list': list?.map((e) => e.toJson()).toList(),
+        'top_list': topList?.map((e) => e.toJson()).toList(),
+        'hotword_egg_info': hotwordEggInfo,
+      };
+}