add put vor customer

AB.Contracts/CustomerForUpdateDto.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AB.Contracts
+{
+    public class CustomerForUpdateDto
+    {
+
+        public string? Salutaion { get; set; }
+
+        public string? Name1 { get; set; }
+
+        public string? Name2 { get; set; }
+
+        public string? Email { get; set; }
+
+        public string? Iban { get; set; }
+
+        public string? PhoneNumber { get; set; }
+
+    }
+}