opt models

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

lib/models_new/reply/pagination_reply.dart

@@ -0,0 +1,11 @@
+class PaginationReply {
+  String? nextOffset;
+
+  PaginationReply({this.nextOffset});
+
+  factory PaginationReply.fromJson(Map<String, dynamic> json) {
+    return PaginationReply(
+      nextOffset: json['next_offset'] as String?,
+    );
+  }
+}