[UX Demo] One-click deploy of GitLab to Openshift

Description

Demo one-click deploy of GitLab to Openshift

Proposal

• Pre-add the GitLab configuration to Openshift
• Pre-fix NFS issues
• Demo script:
  • Open Openshift web UI
  • Find GitLab in list of templates
  • Click
  • Show running GitLab
  • ...
  • Profit

Links / references

Meta issue: #19793 (closed)

/cc @twk3