fix deserialize error

src/Services/Basket/Basket.API/Model/CustomerBasket.cs

@@ -4,8 +4,14 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API.Model
 {
     public class CustomerBasket
     {
-        public string BuyerId { get;  set; }
-        public List<BasketItem> Items { get; set; } 
+        public string BuyerId { get; set; }
+
+        public List<BasketItem> Items { get; set; }
+
+        public CustomerBasket()
+        {
+
+        }
 
         public CustomerBasket(string customerId)
         {