doc: add jhamhader to collaborators

PR-URL: #6946
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: jhamhader

README.md

@@ -180,6 +180,7 @@ information about the governance of the Node.js project, see
 * [iWuzHere](https://github.com/iWuzHere) - **Imran Iqbal** <imran@imraniqbal.org>
 * [JacksonTian](https://github.com/JacksonTian) - **Jackson Tian** <shvyo1987@gmail.com>
 * [jbergstroem](https://github.com/jbergstroem) - **Johan Bergström** <bugs@bergstroem.nu>
+* [jhamhader](https://github.com/jhamhader) - **Yuval Brik** <yuval@brik.org.il>
 * [joaocgreis](https://github.com/joaocgreis) - **João Reis** <reis@janeasystems.com>
 * [julianduque](https://github.com/julianduque) - **Julian Duque** <julianduquej@gmail.com>
 * [JungMinu](https://github.com/JungMinu) - **Minwoo Jung** <jmwsoft@gmail.com>