public ActionResult <CommandReadDto> Store(CommandCreateDto createDto)
        {
            var command = _mapper.Map <Command>(createDto);

            _repo.Store(command);
            _repo.SaveChanges();

            var commandReadDto = _mapper.Map <CommandReadDto>(command);

            return(CreatedAtAction(nameof(Show), new { id = commandReadDto.Id }, commandReadDto));
        }