Update AUTHORS.md

Added myself.

Author: mikepmiller

AUTHORS.md

@@ -24,3 +24,4 @@ Contributors
 * Dale Brubaker — [@dalebrubaker](https://github.com/dalebrubaker)
 * Calin Pirtea — [@pcalin](https://github.com/pcalin)
 * Osiris Pedroso — [@opedroso](https://github.com/opedroso)
+* Mike Miller — [@mikepmiller](https://github.com/mikepmiller)