feat: fake orders

lib/interfaces/items.dart

@@ -150,7 +150,7 @@ class GymCategory {
 }
 
 class GymHistoryItem {
-  final String id;
+  String id;
   final String date;
   final String sum;
   final String photo;
@@ -216,7 +216,7 @@ class GymHistoryItemDetail {
         receiver: json["receiver"],
         email: json["email"],
         address: json["address"],
-        payUrl: json["pay_url"],
+        payUrl: json["pay_url"] as String?,
         providers: List<GymHistoryItemDetailProvider>.from(json["providers"]
             .map((x) => GymHistoryItemDetailProvider.fromJson(x))),
       );