Addd missing level/side properties

AssortUpdater/AssortFlattener.cs

@@ -146,7 +146,9 @@ namespace AssortUpdater
                 barterItems.Add(new BarterDetails
                 {
                     _tpl = item._tpl,
-                    count = item.count
+                    count = item.count,
+                    level = item.level,
+                    side = item.side,
                 });
             }
 

AssortValidator.Common/Models/Assort.cs

@@ -28,6 +28,8 @@ namespace AssortValidator.Common.Models
         {
             public double count { get; set; }
             public string _tpl { get; set; }
+            public string? side { get; set; }
+            public int? level { get; set; }
         }
 
         public class Item