Добавил search модели

InternetShop/InternetShopContracts/DataSearchModels/OrderSearchModel.cs

@@ -0,0 +1,9 @@
+namespace InternetShopContracts.DataSearchModels
+{
+    public class OrderSearchModel
+    {
+        public string? CustomerFIO { get; set; }
+        public string? CustomerEmail { get; set; }
+        public int? Id { get; set; }
+    }
+}

InternetShop/InternetShopContracts/DataSearchModels/ProductSearchModel.cs

@@ -0,0 +1,8 @@
+namespace InternetShopContracts.DataSearchModels
+{
+    public class ProductSearchModel
+    {
+        public string? Name { get; set; }
+        public int? Id { get; set; }
+    }
+}