Bump docs version to 0.9a1.
Bump docs version to 0.9a1.

bobsilverberg/moztrap,bobsilverberg/moztrap,mccarrmb/moztrap,shinglyu/moztrap,mozilla/moztrap,shinglyu/moztrap,mozilla/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,mozilla/moztrap,bobsilverberg/moztrap,shinglyu/moztrap,mozilla/moztrap,bobsilverberg/moztrap,shinglyu/moztrap,mozilla/moztrap,shinglyu/moztrap,mccarrmb/moztrap