[enterprise-4.9] Custom certs for the oAuth server route

[slaskawi]

https://issues.redhat.com/browse/AUTH-13
https://issues.redhat.com/browse/OSDOCS-2366

This Pull Request introduces documentation bits for the Custom hostname and certificate for the oAuth server. It documents openshift/cluster-authentication-operator#430

The documentation has been created based on https://github.com/openshift/openshift-docs/blob/master/modules/customizing-the-web-console-URL.adoc

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[bergerhoffer]

@slaskawi Thanks a lot for opening this! We haven't branched for 4.9 content yet, so I'm going to mark this WIP for now. But once we do, I'll come back and can take over any further editorial updates.

[awgreene]

Great work @slaskawi! We may wish to mention how to review the status of the configured route as well.

[slaskawi]

Thanks for the review! I addressed all the comments and rebased it.

Thanks a lot for opening this! We haven't branched for 4.9 content yet, so I'm going to mark this WIP for now. But once we do, I'll come back and can take over any further editorial updates.

@bergerhoffer Sure, no problem! Thanks a lot!

[s-urbaniak]

ping @bergerhoffer any chance to merge this?

[bergerhoffer]

ping @bergerhoffer any chance to merge this?

@s-urbaniak We just branched for 4.9 today. I'll go ahead and review this now, and if any updates are needed I can take care of those. Then we'll need QE review, but hopefully shouldn't be too long before we can get this merged.

[bergerhoffer]

Closing this in favor of #34947. I'll tag there for further reviews.