doc: add BridgeAR to collaborators

PR-URL: #14862
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: BridgeAR

README.md

@@ -264,6 +264,8 @@ more information about the governance of the Node.js project, see
 **Ben Noordhuis** <info@bnoordhuis.nl>
 * [brendanashworth](https://github.com/brendanashworth) -
 **Brendan Ashworth** <brendan.ashworth@me.com>
+* [BridgeAR](https://github.com/BridgeAR) -
+**Ruben Bridgewater** <ruben@bridgewater.de>
 * [bzoz](https://github.com/bzoz) -
 **Bartosz Sosnowski** <bartosz@janeasystems.com>
 * [calvinmetcalf](https://github.com/calvinmetcalf) -