To contribute to the project create a fork on your personal Github profile and open a pull request to the main branch of the project using the template specified here:
When you open a PR the Code Coverage tool is started through a github action. If the PR lowers the Code Coverage in a consistent way, the PR is rejected or some more testing is asked.
The Repository uses some external tools to get a report of the Code Quality. Make sure the PR mantains the Code Quality standards at A+.
Just contact the maintainers and be welcome in contributing!