feat(cli): First stab at structured contextual logging via go-logr API

[mloskot]

Minimal changes proposal for support of logging verbosity levels.

Start detailed logging at higher verbosity levels for debugging convenience.

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This proposes minimal
Replaces #291 as follow-up to suggestion from #291 (comment)

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Usage example

.\swdt.ps1 setup --config .\experiments\swdt\samples\mloskot\winworker.yaml --v 2

[k8s-ci-robot]

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[mloskot]

/assign @knabben

I am not 100% sure I've got the go.mod update right :)

[knabben]

/lgtm

[knabben]

/assign @knabben

I am not 100% sure I've got the go.mod update right :)

Pretty much, you can go mod tidy locally, and go will figure out deps. The unit test job do the same before running

[mloskot]

/assign @knabben

I am not 100% sure I've got the go.mod update right :)

Pretty much, you can go mod tidy locally, and go will figure out deps. The unit test job do the same before running

Good. I think I did it with go mod tidy. Thx