Configuration for Auth0.
Configuration for Auth0.

* Add app's domain.
* Store id_token in session by default.

akatsoulas/mozmoderator,johngian/mozmoderator,johngian/mozmoderator,johngian/mozmoderator,mozilla/mozmoderator,mozilla/mozmoderator,akatsoulas/mozmoderator,johngian/mozmoderator,akatsoulas/mozmoderator,mozilla/mozmoderator