There are a lot of different ways to contribute to this project. See below for everything you can do and the processes to follow for each contribution method. Note that no matter how you contribute, your participation is governed by our Code of Conduct.
Fork the project, make a change, and send a pull request!
Make sure you read and follow the instructions in the pull request template. And note that all participation in this project (including code submissions) is governed by our Code of Conduct.
Just use the GitHub issue tracker to submit your bug reports and feature requests.