Write warm welcome and say how grateful you are for considering contribution into your project
Argue why it's important to go through this document
Explain how you expect participants to behave.
Put belowed as a mandatory part:
If you find a security vulnerability, do NOT open an issue. Email XXXX instead.
Describe your expecations regarding bug report. This can be simple link to issue template.
Describe your expectation regarding new features idea and direction which your project want to go. Ask contributors to argue why raised feature is needed in their opinion and how it might work.
Explain:
- preferred style for code. Put reference to code styleguide if possible.
- branching model.
- commit message conventions.
- labeling conventions (if used).
- how a contribution gets accepted after it's been submitted. Who need to review and accept it.