Added first app template

backend/login-counter/app.Model/DTOs/UserDTO.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace app.Model.DTOs
+{
+    public abstract class UserDTO
+    {
+        public long Id { get; set; }
+        public string Name { get; set; }
+        public bool NotifyWhenLogin { get; set; }
+    }
+}