Contribution welcome

[justinchuby]

⭐ Use this filter to find all issues that welcome contributions: https://github.com/microsoft/onnxscript/issues?q=is%3Aissue+is%3Aopen++label%3A%22contribution+welcome%22+

[thiagocrepaldi]

maybe add this to a wiki or something? public issues as documentation is not ideal

[justinchuby]

This is a pin issue so it is a good entry point for anyone browsing the issues. Any suggestions? Wiki is not ideal as it is typically not the landing page.