Folder Explorer docs update to include changes from #812

Author: AJIXuMuK

docs/documentation/docs/controls/FolderExplorer.md

@@ -59,5 +59,7 @@ The `FolderExplorer` control can be configured with the following properties:
 | initialBreadcrumbItems | IBreadcrumbItem | no | Additional items to be added to the beginning of the breadcrumb. |
 | hiddenFilterBox | boolean | no | Hide the filter box |
 | onSelect | (folder: IFolder): void | no | Callback function called after a folder is selected. |
+| orderby | string | no | The name of the field on which to sort. Default: Name. For list item properties, use ListItemAllFields/Title, ListItemAllFields/Created, etc |
+| orderAscending | boolean | no | If set to true, results will be sorted in ascending order. Otherwise, descending will be used as default |
 
 ![](https://telemetry.sharepointpnp.com/sp-dev-fx-controls-react/wiki/controls/FolderExplorer)