Update MAINTAINERS.md

Author: Ron

MAINTAINERS.md

@@ -2,7 +2,9 @@
 * Darrel Miller [@darrelmiller](https://github.com/darrelmiller)
 * Jeremy Whitlock [@whitlockjc](https://github.com/whitlockjc)
 * Marsh Gardiner [@earth2marsh](https://github.com/earth2marsh)
+* Mike Ralphson [@MikeRalphson](https://github.com/MikeRalphson)
 * Ron Ratovsky [@webron](https://github.com/webron)
+* Uri Sarid [@usarid](https://github.com/usarid)
 
 ## Emeritus
 * Jason Harmon [@jharmn](https://github.com/jharmn)