public async Task <IActionResult> Create(CoachViewModel coach, IFormFile ava)
        {
            if (!ModelState.IsValid || coach == null)
            {
                ViewBag.Error = CreateError();
                return(View("Error"));
            }
            var coachDto   = _mapper.Map <CoachDTO>(coach);
            var addedCoach = await _сoachService.Create(coachDto, ava, true);

            await UpdateTeam(coach.TeamId, addedCoach.Id);

            return(RedirectToAction("Index"));
        }