add superChatType

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

lib/models/common/super_chat_type.dart

@@ -0,0 +1,9 @@
+enum SuperChatType {
+  valid('有效时间内显示'),
+  persist('持久显示'),
+  disable('不显示'),
+  ;
+
+  final String title;
+  const SuperChatType(this.title);
+}