Add security contact to readme

readme.md

@@ -18,6 +18,10 @@ Documentation for the framework can be found on the [Laravel website](http://lar
 
 Thank you for considering contributing to the Laravel framework! The contribution guide can be found in the [Laravel documentation](http://laravel.com/docs/contributions).
 
+## Security Vulnerabilities
+
+If you discover a security vulnerability within Laravel, please send an e-mail to Taylor Otwell at taylorotwell@gmail.com. All security vulnerabilities will be promptly addressed.
+
 ### License
 
 The Laravel framework is open-sourced software licensed under the [MIT license](http://opensource.org/licenses/MIT)