First off, thank you for considering contributing to that project.
This is an open source project and we love to receive contributions from our community — you! There are many ways to contribute, from writing tutorials or blog posts, improving the documentation, submitting bug reports and feature requests or writing code which can be incorporated into the project itself.
Following these guidelines helps to communicate that you respect the time of the developers managing and developing this open source project. In return, they should reciprocate that respect in addressing your issue, assessing changes, and helping you finalize your pull requests.
Before submitting a bug report or feature request, make sure you're not going to duplicate any existing one by checking the current list of open and closed issues.
While submitting a bug report or feature request, make sure you comply with the instructions in the template. This will help other contributors to address efficiently the issue.
Pull requests must address an open bug report or feature request.
Before implementing your feature or fix, make sure you're not going to duplicate anyone's work by checking the current list of open and closed pull requests.
Make your code comply with the PSR-12 Coding Standards.
Leave detailed commit messages.
While submitting a pull request, make sure you comply with the instructions in the template. This will help other contributors to address efficiently the pull request.