revert removal from openjs initiative

Author: samuelmaddock

wg-administrative/initiatives/OpenJS.md

@@ -35,3 +35,4 @@ We will strive for unanimous consensus, and failing that will look for majority
 - [@groundwater](https://github.com/groundwater)
 - [@jkleinsc](https://github.com/jkleinsc) (initial chair)
 - [@lee-dohm](https://github.com/lee-dohm)
+- [@nornagon](https://github.com/nornagon)