List External Groups In An Organization

Lists external groups available in an organization. You can query the groups using the `display_name` parameter, only groups with a `group_name` containing the text provided in the `display_name` parameter will be returned. You can also limit your page results using the `per_page` parameter. GitHub Enterprise Server generates a url-encoded `page` token using a cursor value for where the next page begins. For more information on cursor pagination, see "[Offset and Cursor Pagination explained]...