Add example for co-existence of klog v1 and v2

[dims]

Signed-off-by: Davanum Srinivas davanum@gmail.com

What this PR does / why we need it:
Now that we have v1 and v2, we need to show folks how they can deal with a codebase where both are present until dependencies can move to klog v2.

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

Special notes for your reviewer:

Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

Release note:

Example to show how klog v1 and v2 can co-exist.

[dims]

/assign @neolit123 @liggitt

[liggitt]

/lgtm
/hold in case you want any other eyes on it

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, liggitt

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[dims]

/hold cancel

let's merge and iterate, it's just an example and does not touch the main code. thanks a ton @liggitt