We should use the staging files instead of having some files
authoritative in the external repo. Otherwise, we complicate the
publishing process as it has to know which files come from the latter.
README.md and LICENSE are authoritative in external repos.
We should move them to staging.
Kubernetes-commit: 0e466262743f9fd115573b91bc71e9690f0eccf7
We should use the staging files instead of having some files
authoritative in the external repo. Otherwise, we complicate the
publishing process as it has to know which files come from the latter.
`README.md` and `LICENSE` are authoritative in external repos.
We should move them to staging.