[Contributors] Add self to contributors list

Signed-off-by: Rob Dolin <[email protected]>

Author: RobDolinMS

CONTRIBUTORS.md

@@ -2,5 +2,6 @@
 * Jason Harmon [@jharmn](https://github.com/jharmn)
 * Jeremy Whitlock [@whitlockjc](https://github.com/whitlockjc)
 * Marsh Gardiner [@earth2marsh](https://github.com/earth2marsh)
+* Rob Dolin [@RobDolinMS](https://github.com/robdolinms)
 * Ron Ratovsky [@webron](https://github.com/webron)
 * Tony Tam [@fehguy](https://github.com/fehguy)