Use cosmo.espace-win.org for inidal wiki
Summary: This is a follow-up for 504bf8c91661.
Test Plan: Browse https://cosmo.espace-win.org
Reviewers: dereckson
Reviewed By: dereckson
Subscribers: dereckson
Maniphest Tasks: T1605
Differential Revision: https://devcentral.nasqueron.org/D2272