public async Task <IActionResult> Index()
        {
            var posts = Directory.GetFiles(postEnvironment, postExtention, SearchOption.TopDirectoryOnly);

            HeaderParser.CreateNewModel();

            foreach (var post in posts)
            {
                using (var fileStream = new FileStream(post, FileMode.Open, FileAccess.Read))
                {
                    using (StreamReader reader = new StreamReader(fileStream))
                    {
                        HeaderParser.CreateNewPost(post);
                        for (int i = 0; i < 8; i++)
                        {
                            HeaderParser.ParsLine(await reader.ReadLineAsync());
                        }
                        HeaderParser.MakeHeader();
                    }
                }
            }
            return(View(model: HeaderParser.GetPostList()));
        }