Add PBandGraphOauth scaffold and auth UI

node_modules/@microsoft/microsoft-graph-client/lib/src/IGraphRequestCallback.d.ts

@@ -0,0 +1,13 @@
+/**
+ * -------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.
+ * See License in the project root for license information.
+ * -------------------------------------------------------------------------------------------
+ */
+import { GraphError } from "./GraphError";
+/**
+ * @interface
+ * Signature to define the GraphRequest callback
+ * @callback - The anonymous callback function
+ */
+export type GraphRequestCallback = (error: GraphError, response: any, rawResponse?: any) => void;