📖 Simplifying ConfigMap with metadata configuration

[dmvolod]

What this PR does / why we need it:
This PR simplifying ConfigMap with metadata configuration to be able all required modifications without additional tools like yq involving. All changes are done via kubectl utility and enough for the demonstration and configuration.

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 #

[k8s-ci-robot]

Hi @dmvolod. Thanks for your PR.

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[Danil-Grigorev]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Details

Git tree hash: 0aac1e5851f26f2f6b2a5a6f4ce634ebd1482745

[furkatgofurov7]

Thanks!

/ok-to-test
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: furkatgofurov7

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