public ActionResult RegisterClient(RegisterClientViewModel viewModel)
        {
            if (ModelState.IsValid)
            {
                var client = new Client();
                client.Name = viewModel.Name;
                client.Phone = viewModel.Phone;
                client.Email = viewModel.Email;
                client.Street = viewModel.Street;
                client.City = viewModel.City;
                client.State = viewModel.State;
                client.ZipCode = viewModel.ZipCode;

                db.Clients.Add(client);
                db.SaveChanges();

                return RedirectToAction("Index", "Home");
            }

            return View(viewModel);
        }
        // GET: Registration/RegisterClient
        public ActionResult RegisterClient()
        {
            var registerClientViewModel = new RegisterClientViewModel();

            return View(registerClientViewModel);
        }