public IActionResult Editar(int id)
        {
            var categ = categoriaService.List();

            ViewBag.Categoria = categ.Select(c => new SelectListItem()
            {
                Text = c.Descricao, Value = c.Id.ToString()
            });

            var despesa = despesaService.SelectById(id) ?? new Despesa();

            return(View(despesa));
        }
        public IActionResult Index()
        {
            var categoria = categoriaService.List();

            return(View(categoria));
        }