Updated AUTHORS.rst

Author: Pedro Miguel Melo

AUTHORS.rst

@@ -8,3 +8,4 @@ Authors
 * Beverly Lytle `@beverlylytle <https://github.com/beverlylytle>`_
 * Alexis Jeandeau `@jeandeaual <https://github.com/jeandeaual>`_
 * Hiroyuki Obinata `@obi-t4 <https://github.com/obi-t4>`_
+* Pedro Pereira `@MisterOwlPT <https://github.com/MisterOwlPT>`_