Contributions are always welcome. Language doesn't matter. Just make sure you're implementing right thing.
PRs are welcome. To begin developing, follow the structure:
Don't remove previous implementationsthing. You can help in improving the current implementation by adding explanations and examples.
Beautify and clean up your code for easier reading
Note:
Do not make a new issue unless required. If your PR is closed without any comment, it means that your PR does not meet the above criteria. Make sure your PR is not Duplicate and it should be well-documented.