Update post
What?
Update post link to reference on artifacts and IP of GitLab Pages server
Why?
It had not been documented until https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/2057
Where?
Post updated: https://about.gitlab.com/2016/04/07/gitlab-pages-setup/
Where is it documented now: https://about.gitlab.com/gitlab-com/settings/#gitlab-pages