public IActionResult Index()
        {
            BackblazeAPI backblazeAPI = new BackblazeAPI();

            backblazeAPI.AutorizeAccount();
            return(View());
        }
        public IActionResult DownloadFile(Guid id)
        {
            BackblazeAPI api = new BackblazeAPI();

            api.AutorizeAccount();
            FileDescription fileDescription = _fileDescriptionsRepository.GetFile(id);

            byte[] filebytes = api.DownloadFileById(fileDescription.BackblazeFileId);
            return(File(filebytes, "application/pdf", fileDescription.FileName + fileDescription.Ext)); //fileDescription.ContentType
        }