✨ Add godoc example for zap logger usage.

[bharathi-tenneti]

Description: Add go doc example for command line usage for Zap logger.

[k8s-ci-robot]

Hi @bharathi-tenneti. Thanks for your PR.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: bharathi-tenneti
To complete the pull request process, please assign joelanford
You can assign the PR to them by writing /assign @joelanford in a comment when ready.

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[bharathi-tenneti]

/assign @joelanford

[bharathi-tenneti]

closing this PR, as the runnable example is not feasible for this usecase.