fix buidl error release

Author: DutchJavaDev

GithubWebpagesWebhook/PageViewer.cs

@@ -1,4 +1,6 @@
-using Azure.Storage.Blobs;
+#if !DEBUG
+using Azure.Storage.Blobs;
+#endif
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Azure.WebJobs;