Add !StyleEncyclo command
Summary:
The account https://twitter.com/StyleEncyclo provides a best of articles
where the style doesn't follow the Wikipedia conventions.
The account is managed by Ælfgar.
@Raminagrobis suggested to allow to publish from IRC like !idée.
Test Plan: Test !StyleEncyclo on Freenode wikipedia-fr
Reviewers: dereckson
Reviewed By: dereckson
Subscribers: Thibaut120094
Differential Revision: https://devcentral.nasqueron.org/D830