Follow-up from "Add KAS URL configuration"
The following discussion from !1842 should be addressed:
- [ ] @ashmckenzie started a [discussion](https://gitlab.com/gitlab-org/gitlab-development-kit/-/merge_requests/1842#note_515678208):
> thought: Should this be documented, perhaps at https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/master/doc/howto/kubernetes_agent.md and/or https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/master/doc/configuration.md ?
issue