add put vor customer

AB.Contracts/CustomerForCreationDto.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations;
 
 namespace AB.Contracts;
 
@@ -11,16 +6,16 @@ public class CustomerForCreationDto
 {
     [Required]
     public string Salutaion { get; set; }
-    
+
     [Required]
     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; }