public IActionResult Register(RegisterModel registerModel)
        {
            if (ModelState.IsValid)
            {
                User newUser = _authenticationService.Register(registerModel);
                if (newUser != null)
                {
                    return(RedirectToAction("Index", "Home"));
                }

                ModelState.AddModelError("", "Something gone wrong, please try later");
            }
            return(View(registerModel));
        }