[Meta] OpenGitOps repo structure

[scottrigby]

See https://github.com/gitops-working-group/gitops-working-group/discussions/147

• .github: OpenGitOps Default Community Health Files
• code: placeholder for future code for "interoperability between tools" (could add later when we get to this)
• documents: Lasting documents for the CNCF OpenGitOps project (currently lasting artifacts from the GitOps Working Group)
• events: A repo for GitOps community events (currently events either organized or curated by the GitOps WG Events Committee)
• programs: placeholder repo. Example future programs may be for "conformance, and certification" (could add later when we get to this)
• project: Repository for top-level information about the OpenGitOps project
• website: OpenGitOps Website

[nikimanoledaki]

I believe the time has come for the code repo to make its entrance! 🥁

It would be great to bootstrap this repo to be able to store the code for the GitOps energy benchmark tests 😄