public async Task <IActionResult> Edit(int id, Day day)
        {
            if (id != day.Id)
            {
                return(NotFound());
            }
            if (ModelState.IsValid)
            {
                var myDays = await _dayService.EditDay(id, day);

                return(RedirectToAction(nameof(Index)));
            }
            return(View(day));
        }