Create monitoring-guidelines.md
Create monitoring-guidelines.md

What this PR does / why we need it:

In order for the KubeVirt monitoring will look and feel as an integral part of the Kubernetes monitoring,
we are adding a guidelines documentation for developer adding new KubeVirt metrics, recording rules and alert rules.
These should also be used by QE when testing related PRs.

Which issue(s) this PR fixes (optional, in fixes #(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

Signed-off-by: 6136350c358f1920f9cf2443e027e1399b1f68d8@redhat.com

Release note:
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None
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stu-gott/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt