Update Code of Conduct (#661)

Ref: #660

CODE_OF_CONDUCT.md

@@ -1,46 +1,3 @@
-# Code of Conduct
+# Django Constance Code of Conduct
 
-As contributors and maintainers of the Jazzband projects, and in the interest of
+The django-constance project utilizes the [Django Commons Code of Conduct](https://github.com/django-commons/membership/blob/main/CODE_OF_CONDUCT.md).
-fostering an open and welcoming community, we pledge to respect all people who
-contribute through reporting issues, posting feature requests, updating documentation,
-submitting pull requests or patches, and other activities.
-
-We are committed to making participation in the Jazzband a harassment-free experience
-for everyone, regardless of the level of experience, gender, gender identity and
-expression, sexual orientation, disability, personal appearance, body size, race,
-ethnicity, age, religion, or nationality.
-
-Examples of unacceptable behavior by participants include:
-
-- The use of sexualized language or imagery
-- Personal attacks
-- Trolling or insulting/derogatory comments
-- Public or private harassment
-- Publishing other's private information, such as physical or electronic addresses,
-  without explicit permission
-- Other unethical or unprofessional conduct
-
-The Jazzband roadies have the right and responsibility to remove, edit, or reject
-comments, commits, code, wiki edits, issues, and other contributions that are not
-aligned to this Code of Conduct, or to ban temporarily or permanently any contributor
-for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
-
-By adopting this Code of Conduct, the roadies commit themselves to fairly and
-consistently applying these principles to every aspect of managing the jazzband
-projects. Roadies who do not follow or enforce the Code of Conduct may be permanently
-removed from the Jazzband roadies.
-
-This code of conduct applies both within project spaces and in public spaces when an
-individual is representing the project or its community.
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by
-contacting the roadies at `roadies@jazzband.co`. All complaints will be reviewed and
-investigated and will result in a response that is deemed necessary and appropriate to
-the circumstances. Roadies are obligated to maintain confidentiality with regard to the
-reporter of an incident.
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version
-1.3.0, available at [https://contributor-covenant.org/version/1/3/0/][version]
-
-[homepage]: https://contributor-covenant.org
-[version]: https://contributor-covenant.org/version/1/3/0/