You can contribute in two ways
If you feel confident with coding or just want to learn and try to help you're welcome !
Just fork the repository, clone it and start coding.
You can then submit a pull request here.
Don't hesitate to submit your code, even if you aren't sure it is the best in the world. Nobody would blame you for trying to help
If you don't want to code, you can still help by providing feedback in the issues section.
Some templates are already set up but you can still create a blank issue if none match your request.
No matter how, no matter how much you help, it will always make this shit project go further