Update README.md

samples/save-email-to-sharepoint-office-add-in/README.md

@@ -3,7 +3,14 @@
 ## Summary
 
 This Add-in helps the user to save current selected email to SharePoint document Library.
+![Save outlook email to SharePoint Library](./assets/saveemailtosp.gif)
 
+## Features and usage
+In Outlook web, select an email and select more options. Select 'More actions' at the top of the message. Scroll to the bottom and select 'Save Email to SharePoint' Add-in. The add-in loads the list of sites user has access. Once the user selects the site, it loads the list of document libaries that are present in that site. After selecting library, the user can save the email by clicking Save button. Once it is saved, a link will be generated to view the email preview. The email will be saved in .eml format.
+
+## Used SharePoint Framework Version
+
+![drop](https://img.shields.io/badge/version-1.10.0-green.svg)
 
 ## Applies to
 
@@ -35,6 +42,9 @@ Version|Date|Comments
   * `npm install`
   * `gulp bundle --ship`
   * `gulp package-solution --ship`
+* Move to the SharePoint tenant administrative UIs located at https://<tenant>-admin.sharepoint.com
+* Move to API management under the Advance left menu option to see the currently pending permission requests. Notice that the request for Mail.ReadWrite permission for in Graph API is pending for approval.
+  * Select the pending permission row and choose Approve from the toolbar.
 * Deploy the save-email-to-sharepoint.sppkg to SharePoint App Catalog
 * For deployment in your tenant, Please refer this article - https://docs.microsoft.com/en-us/microsoft-365/admin/manage/manage-deployment-of-add-ins?view=o365-worldwide