Install gitlab pages daemon

I'll deal with traefik domains later

ansible/roles/gitlab-pages/files/gitlab.rb

@@ -0,0 +1,19 @@
+external_url 'https://git.theorangeone.net'
+
+grafana['enable'] = false
+postgresql['enable'] = false
+redis['enable'] = false
+prometheus['enable'] = false
+puma['enable'] = false
+sidekiq['enable'] = false
+gitlab_workhorse['enable'] = false
+gitaly['enable'] = false
+alertmanager['enable'] = false
+node_exporter['enable'] = false
+gitlab_rails['auto_migrate'] = false
+nginx['enabled'] = false
+
+pages_external_url "https://pages.theorangeone.net"
+pages_nginx['enable'] = false
+gitlab_pages['external_http'] = ['0.0.0.0:8080']
+gitlab_pages['inplace_chroot'] = true