[Repo] Mention CoC on README

Author: signed-log

README.md

@@ -10,6 +10,7 @@ Syncs your Traefik router configuration with Cloudflare® DNS
 ![Website](https://img.shields.io/website?up_message=online&url=https%3A%2F%2Ftcfig.test124.dev)
 ![GitHub Pipenv locked Python version](https://img.shields.io/github/pipenv/locked/python-version/signed-log/tcfig)
 ![GitHub](https://img.shields.io/github/license/signed-log/tcfig)
+[![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](CODE_OF_CONDUCT.md)
 ## Quick-Start
 
 This script doesn't require any installation but needs a few bit of dependencies
@@ -30,10 +31,18 @@ pipenv run tcfig.py
 
 You can find the whole documentation on https://tcfig.test124.dev
 
+## Code of Conduct
+
+As a contributor (either by contributing to the program or by opening issues for ex.), you are required to abide by the [Code of Conduct](CODE_OF_CONDUCT.md)
+
+
 ## Feedback
 
 If you have any feedback, please reach out to us by opening an issue
 
+## Contributing
+
+Please see [CONTRIBUTING](CONTRIBUTING.md) to learn how to best contribute to the project
 
 ## Roadmap