Add a new vhost for kerozen's FB Bot

Summary:
I need some verifications for letsencrypt and facebook
+ my first steps with salt and phabricator and arc etc.

Test Plan:

• salt eglide state.apply roles/shellserver/eglide-website/
• salt eglide state.apply roles/shellserver/web-hosting/
• check site is live

Reviewers: Sandlayth, jokerozen, dereckson

Reviewed By: jokerozen, dereckson

Subscribers: dereckson

Differential Revision: https://devcentral.nasqueron.org/D952