public async Task <byte[]> Read(string blobName)
        {
            var blob = _filesStorageService.GetBlob(blobName);

            if (!await blob.ExistsAsync())
            {
                return(null);
            }

            var text = await blob.DownloadTextAsync();

            return(Encoding.UTF8.GetBytes(text));
        }
        public async Task <byte[]> Read(string blobName)
        {
            var blob = _filesStorageService.GetBlob(blobName);

            if (!await blob.ExistsAsync())
            {
                return(null);
            }

            using (var memoryStream = new MemoryStream())
            {
                await blob.DownloadToStreamAsync(memoryStream);

                return(memoryStream.ToArray());
            }
        }