public async Task <IActionResult> Registration([FromForm] UserDto user)
{
var appUser = user.GetApplicationUser();
var result = await _userManager.CreateAsync(appUser, user.Password);
if (!result.Succeeded)
{
BadRequest(result.Errors.ToString());
}
await _signInManager.SignInAsync(appUser, isPersistent : false);
return(Ok());
}