public IActionResult Delete(int id)
        {
            Transfer transfer = transferManager.Get(id);

            if (transfer == null)
            {
                return(NotFound("Transfer couldn't be found"));
            }
            if (transferManager.Delete(transfer) == 1)
            {
                return(Ok(true));
            }
            else
            {
                return(BadRequest(false));
            }
        }