Inclusive configuration of resources to propagate

[mzeevi]

Addresses #16. As suggested in the issue, an additional SyncornizationMode called Allow is added (and not AllowPropagate to allow the kubetcl plugin keep the same logic of converting the strings to Title).

Allow only allows propagation of objects when a selector is set. When a selector is set, Allow follows the same logic as Propagate. When no selectors are set, the object is not propagated.

In addition, an all selector is added.

New unit testing and e2e testing were made for this mode and for the new selector.

The documentation and quickstart testing are left untouched.

[linux-foundation-easycla[bot]]

The committers listed above are authorized under a signed CLA.

• :white_check_mark: login: mzeevi / name: mzeevi (adde9f013e6c8859dd9a0ea9964ca64f5d547992)

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[k8s-ci-robot]

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[mzeevi]

Thanks for the notes, Adrian! I will address everything in a new commit.

[mzeevi]

I believe I've addressed everything, please take a look @adrianludwin

Thanks!

[mzeevi]

Should be fine now

[mzeevi]

Made some changes as per your comments, @adrianludwin

Thanks again!

[adrianludwin]

lgtm after these last changes are made. Ryan, please feel free to approve (or else I'll do it).

/assign @rjbez17

[mzeevi]

Made some changes in accordance to the latest comments

[mzeevi]

Should be fine now @adrianludwin

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adrianludwin, mzeevi

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