public async Task <ActionResult <Adult> > AddAdult([FromBody] Adult adult)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            try
            {
                Adult added = await adultService.AddAdult(adult);

                return(Created($"/{added.Id}", added));
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                return(StatusCode(500, e.Message));
            }
        }