feat(chart): added the ability to specify K8s extra objects

[pierluigilenoci]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Add the ability to specify K8s extra objects

Which issue(s) this PR fixes:

Fixes #5633

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Added the ability to specify K8s extra objects.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

Hi @pierluigilenoci. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[pierluigilenoci]

@gjtempleton, could you please take a look?

[pierluigilenoci]

@mwielgus, please take a look.

[gjtempleton]

Thanks for the PR, one comment/ask for you.

[gjtempleton]

Thanks
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gjtempleton, pierluigilenoci

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• charts/OWNERS [gjtempleton]

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[k8s-ci-robot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.