Add a controler for "User" (add and authenticate)

Back/skydiveLogs-api/DataContract/UserResp.cs

@@ -0,0 +1,13 @@
+namespace skydiveLogs_api.DataContract
+{
+    public class UserResp
+    {
+        public int Id { get; set; }
+
+        public string FirstName { get; set; }
+
+        public string LastName { get; set; }
+
+        public string Login { get; set; }
+    }
+}