Needs approval from an approver in each of these files:
- ~~[OWNERS](https://github.com/kubernetes-sigs/reference-docs/blob/master/OWNERS)~~ [tengqm]
Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
This PR also adds logic for handling special packages (e.g. 'authentication').