public async Task <ActionResult> Index(string title, string content, string lang)
        {
            await _postAppService.CreateEditPost(new NewPostInput()
            {
                Active  = true,
                Content = new Content()
                {
                    ContentString = content,
                    Title         = title,
                    Lang          = lang,
                }
            });

            return(RedirectToAction("Index"));
        }