add missing name to AUTHORS

AUTHORS

@@ -28,6 +28,7 @@ Bill Kuker          <bkuker@billkuker.com>
 Benoit Garret       <benoit.garret@gmail.com>
 Adam Thorsen        <adam.thorsen@gmail.com>
 Emmanuel Bouthenot  <kolter@openics.org>
+Artem Butusov       <art.sormy@gmail.com>
 rainabba
 Mehdi Abbad
 Lyes Amazouz