feat: pgc timeline

Closes #653

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

lib/models/bangumi/pgc_timeline/pgc_timeline.dart

@@ -0,0 +1,23 @@
+import 'result.dart';
+
+class PgcTimeline {
+  int? code;
+  String? message;
+  List<Result>? result;
+
+  PgcTimeline({this.code, this.message, this.result});
+
+  factory PgcTimeline.fromJson(Map<String, dynamic> json) => PgcTimeline(
+        code: json['code'] as int?,
+        message: json['message'] as String?,
+        result: (json['result'] as List<dynamic>?)
+            ?.map((e) => Result.fromJson(e as Map<String, dynamic>))
+            .toList(),
+      );
+
+  Map<String, dynamic> toJson() => {
+        'code': code,
+        'message': message,
+        'result': result?.map((e) => e.toJson()).toList(),
+      };
+}