Copy/paste the contents of etc/deploy-settings.xml in your .m2/settings.xml - set the login/password of your sonatype account and the keyname and passphrase of your gpg key
In the root directory of the project, run
etc/deploySnapshot.shIn the root directory of the project, run
etc/releaseAndDeploy.shThe documentation steps of the release (changelog, versions displayed in the documentation) are described in CONTRIBUTING.md.