[wip] add CriticalResource type to allow deletion ordering

[deads2k]

prototyping for openshift/enhancements#380

[openshift-ci-robot]

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[openshift-ci-robot]

@deads2k: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/verify	d55c15f	link	/test verify

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[openshift-ci-robot]

@deads2k: PR needs rebase.

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[openshift-bot]

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/lifecycle stale

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[openshift-ci-robot]

@openshift-bot: Closed this PR.

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