Update contributors.md

Add contract details for nyself.

Signed-off-by: Paul Horton <paul.horton@owasp.org>

Author: madpah

contributors.md

@@ -10,7 +10,7 @@ work during our meetings and workshops. They are noted here in alphabetic order:
 * Anthony Harrison, APH10, United Kingdom
 * Olle E. Johansson, Project lead, Edvina AB, Sweden, oej@edvina.net
 * Mark Symons
-* Paul Horton
+* Paul Horton, Sonatype Inc., paul.horton@owasp.org, [@madaph](https://github.com/madpah)
 * Pavel Shukhman, Reliza, Canada, pavel@reliza.io
 * Piotr P. Karwasz, The Apache Software Foundation, pkarwasz-ecma@apache.org
 * Steve Springett