public async Task <ActionResult <Ticket> > CreateTicket(TicketDTO ticketDto)
{
var ticket = _mapper.Map <Ticket>(ticketDto);
await _repo.CreateEntity(ticket);
await _repo.SaveChanges();
ticket = await _repo.GetById(ticket.Id);
return(CreatedAtRoute(nameof(GetTicketById), new { id = ticket.Id }, ticket));
}