Introduction of the declaration about Contributor Covenant Code of C…

[zouyee]

Fixes #461
Introduction of the declaration about Contributor Covenant Code of Conduct.

Proposed Changes

Release Note

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[knative-prow-robot]

Hi @zouyee. Thanks for your PR.

I'm waiting for a knative 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.

I understand the commands that are listed here.

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/test-infra repository.

[mattmoor]

We have this under our docs repo for the whole organization: https://github.com/knative/docs/blob/master/community/CODE-OF-CONDUCT.md

Can you just make this link there?

[imjasonh]

Looks like Serving has it, so we should too.

/ok-to-test
/lgtm
/approve

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ImJasonH, zouyee

The full list of commands accepted by this bot can be found here.

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[zouyee]

I signed it!

[googlebot]

CLAs look good, thanks!