We're so glad you're thinking about contributing to this open source project! If you're unsure or afraid of anything, just ask or submit the issue or pull request anyways. The worst that can happen is that you'll be politely asked to change something. We appreciate any sort of contribution, and don't want a wall of rules to get in the way of that.
Before contributing, we encourage you to read our CONTRIBUTING policy (you are here), our LICENSE, and our README, all of which should be in this repository. If you have any questions, feel free to open a new issue.
This project is in the public domain within the United States, and copyright and related rights in the work worldwide are waived through the CC0 1.0 Universal public domain dedication.
All contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.