add supplier attributes

AB.Domain/Entities/ContactPerson.cs

@@ -0,0 +1,20 @@
+namespace AB.Domain.Entities;
+
+public class ContactPerson
+{
+
+    public Guid ContactPersonId { get; set; }
+
+    public Guid SupplierId { get; set; }
+
+    public string Salutation { get; set; }
+
+    public string Name { get; set; }
+
+    public string PhoneNumber { get; set; }
+
+    public string Email { get; set; }
+
+    public string Notes { get; set; }
+
+}