public IActionResult Create([FromBody] Category category)
        {
            if (!ModelState.IsValid)
            {
                return(View(category));
            }
            try
            {
                var categoryToAdd = new Category
                {
                    Name     = category.Name,
                    ParentID = category.ParentID,
                };

                _service.AddNode(categoryToAdd);
                return(new JsonResult(categoryToAdd));
            }
            catch (Exception ex)
            {
                return(RedirectToAction(nameof(Index)));
            }
        }