feature: add ref grant

[tanujd11]

Fixes #14

[CLAassistant]

All committers have signed the CLA.

[shaneutt]

Thank you so much for your contribution @tanujd11!

I wanted to check in with you real quick, because I'm not sure if you're aware but this project is being donated to the CNCF, all the details of which can be seen here:

#42

Note: The process has been really slow because of our use of the GPLv2 license, details about that are
available in cncf/foundation#474

During this interim time we ask that all contributors sign the CNCF CLA as well, so that there will be no further hangups when it comes time to migrate. Instructions on how to do this are in that discussion, if you need any assistance or have any problems with this please let us know!

[shaneutt]

Looks like the tests aren't happy with the change (they rely on sample manifests). Also I noticed that no new tests for ReferenceGrant were supplied yet, we'll want to add at least some basic integration tests for this. Let us know if you're up for that, and if you have any trouble with the integration test suite or anything let us know and we'll be happy to help!

[shaneutt]

hey! 👋

Just checking in. Everything going ok? Getting stuck, need help?

[tanujd11]

Hey @shaneutt I did not get time to get around this. Will take a look at this over the weekend.

[k8s-ci-robot]

PR needs rebase.

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[shaneutt]

Since we haven't heard back from you in a while on this one, we're going to close this for now. This is just to manage our inventory of issues and PRs, but if you find you have time again please feel free to re-open and let us know how we can support your efforts!