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

api/OWNERS

@@ -1,44 +1,4 @@
 approvers:
-- erictune
-- lavalamp
-- smarterclayton
-- thockin
-- liggitt
-# - bgrant0607 # manual	escalations only
+- api-approvers
 reviewers:
-- thockin
-- lavalamp
-- smarterclayton
-- wojtek-t
-- deads2k
-- yujuhong
-- brendandburns
-- derekwaynecarr
-- caesarxuchao
-- vishh
-- mikedanese
-- liggitt
-- nikhiljindal
-- gmarek
-- erictune
-- davidopp
-- pmorie
-- sttts
-- dchen1107
-- saad-ali
-- zmerlynn
-- luxas
-- janetkuo
-- justinsb
-- pwittrock
-- roberthbailey
-- ncdc
-- tallclair
-- yifan-gu
-- eparis
-- mwielgus
-- timothysc
-- soltysh
-- piosz
-- jsafrane
-- jbeda
+- api-reviewers