You can add a README file to your repository to tell other people why your project is useful, what they can do with your project, and how they can use it.| GitHub Docs
You can attribute a commit to more than one author by adding one or more Co-authored-by trailers to the commit's message. Co-authored commits are visible on GitHub.| GitHub Docs
You can use repository security advisories to privately discuss, fix, and publish information about security vulnerabilities in your public repository.| GitHub Docs
Create a pull request to propose and collaborate on changes to a repository. These changes are proposed in a branch, which ensures that the default branch only contains finished and approved work.| GitHub Docs
You can create default community health files, such as CONTRIBUTING and CODE_OF_CONDUCT. Default files will be used for any repository owned by the account that does not contain its own file of that type.| GitHub Docs