Update readme.md

Author: patrick-rodgers

samples/file-picking/example-picker-configs/readme.md

@@ -8,3 +8,5 @@ For most examples the minimal required configuration is shown illustrating the g
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 [onedrive-consumer](./onedrive-consumer.json)|A simple configuration for loading a user's personal or business OneDrive|
 [sharepoint-pages](./sharepoint-pages.json)|Configuration to load SharePoint pages using a filter and paths to the SitePages library|
+[enable-search](./enable-search.json)|Shows how to enabled the search box within the picker|
+[saveas-dialog](./saveas-dialog.json)|Configures the picker to act as a Save-As dialog selecting a file and showing a filename box|