Added first app template

backend/login-counter/app.Model/IAutoGenerateDateFields.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace app.Model {
+    public interface IAutoGenerateDateFields {
+        DateTimeOffset CreatedOn { get; set; }
+        DateTimeOffset LastModifiedOn { get; set; }
+    }
+}