Monitoring API: Add Metric server config

[marioferh]

First PR: #1929
Related: Enhancements Proposal openshift/enhancements#1627

[openshift-ci]

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[openshift-ci]

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[marioferh]

@everettraven hi, updated, aligned https://github.com/openshift/api/pull/2148/files

[openshift-ci]

@marioferh: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/verify	c8a438c	link	true	/test verify
ci/prow/verify-client-go	c8a438c	link	true	/test verify-client-go
ci/prow/integration	c8a438c	link	true	/test integration
ci/prow/verify-crd-schema	c8a438c	link	true	/test verify-crd-schema

Full PR test history. Your PR dashboard.

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