CNCF lists for OpenGitOps project

[scottrigby]

1. Create Service Desk tickets requesting CNCF to set up each
2. Ensure correct people have access
3. Publish info about lists somewhere public

• [ ] cncf-opengitops@lists.cncf.io (public group)
• [x] cncf-opengitops-maintainers@lists.cncf.io (private group)
• [ ] cncf-opengitops-chairs@lists.cncf.io (private group)
  • Anyone should be able to contact the chairs at this email.
  • This allows community members to raise issues privately to chairs as needed.
  • Messages should be private private, accessible only to chairs.
  • Chairs may also use the list to discuss sensitive information not yet ready to be released publicly.
  • [ ] Give access to current chairs, as well as CNCF staff
  • [ ] List email in Governance doc as initial contact for CoC violations