Update README.md

README.md

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 [vocabulary]: https://github.com/creativecommons/vocabulary
 
+## Code of conduct
+
+[`CODE_OF_CONDUCT.md`][org-coc]:
+> The Creative Commons team is committed to fostering a welcoming community.
+> This project and all other Creative Commons open source projects are governed
+> by our [Code of Conduct][code_of_conduct]. Please report unacceptable
+> behavior to [[email protected]](mailto:[email protected])
+> per our [reporting guidelines][reporting_guide].
+
+[org-coc]: https://github.com/creativecommons/.github/blob/main/CODE_OF_CONDUCT.md
+[code_of_conduct]: https://opensource.creativecommons.org/community/code-of-conduct/
+[reporting_guide]: https://opensource.creativecommons.org/community/code-of-conduct/enforcement/
+
+
+## Contributing
+
+See [`CONTRIBUTING.md`][org-contrib].
+
+[org-contrib]: https://github.com/creativecommons/.github/blob/main/CONTRIBUTING.md
 
 ## Hosting and Deployment