Merge pull request #53997 from tallclair/docs-owners
Automatic merge from submit-queue (batch tested with PRs 52717, 54568, 54452, 53997, 54237). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Copy api/OWNERS to docs/api-reference
So that API changes can be approved by API approvers. Also, create api-{approvers,reviewers} aliases.
Suggested by @cblecker in https://github.com/kubernetes/kubernetes/pull/53911#issuecomment-336612394