Stepping down as editor

I am moving on to other things.  Edgar has volunteered to take over editing.

Author: bzbarsky

index.bs

@@ -9,8 +9,9 @@ Mailing List Archives: https://lists.w3.org/Archives/Public/public-script-coord/
 Repository: heycam/webidl
 !Feedback: <a href="https://github.com/heycam/webidl">GitHub</a> (<a href="https://github.com/heycam/webidl/issues/new">new issue</a>, <a href="https://github.com/heycam/webidl/issues">open issues</a>, <a href="https://www.w3.org/Bugs/Public/buglist.cgi?product=WebAppsWG&amp;component=WebIDL&amp;resolution=---">legacy bug tracker</a>)
 ED: https://heycam.github.io/webidl/
+Editor: Edgar Chen, Mozilla Corporation, [email protected]
 Former Editor: Cameron McCormack, Mozilla Corporation, http://mcc.id.au/, [email protected]
-Editor: Boris Zbarsky, Mozilla Corporation, [email protected]
+Former Editor: Boris Zbarsky, Mozilla Corporation, [email protected]
 Former Editor: Tobie Langel, https://tobie.me, [email protected]
 Abstract: This document defines an interface definition language, Web IDL,
 Abstract: that can be used to describe interfaces that are intended to be