chore: update permissions document with GitHub Ownership form (#25)

* chore: update permissions document with GitHub Ownership form

* chore: update PR as per feedback

Co-Authored-By: MarshallOfSound <samuel.r.attard@gmail.com>

wg-administrative/github-ownership-access.md

@@ -1,3 +1,5 @@
-# TODO
+# GitHub Ownership
 
-> This document needs to be written by the Administrative WG
+## Requesting "Owner" permissions
+
+If you need GitHub "Owner" permissions, you can request them with this [Google Form](https://goo.gl/forms/mP06OHexVP5Lo60O2).  The Administrative Working Group will vote on your request in their next meeting and inform you of the result.