Updated result_pager.md

Author: verschoof

doc/result_pager.md

@@ -1,4 +1,15 @@
-## Resultpager
-[Back to the navigation](../index.md)
+## Result Pager
+[Back to the navigation](index.md)
 
-To be written...
+### Usage examples
+
+Get all results of a organization
+
+```php
+$client = new Github\Client();
+
+$organizationApi = $client->api('organization');
+
+$paginator = new Github\ResultPager( $client );
+$result    = $paginator->fetchAll( $organizationApi, 'repositories', 'future500' );
+```