Automate grading of regex-based solutions using external tools
Further work could be done to incorporate external free tools to provide API-based grading for FIB/Regex items that normally take place in the runner (AWS lambda or Heroku). Reference conversations with @willahelm.w.wan who suggested Heroku.
We would likely stay well be low the rate limit, and if we hit the rate limit, we fallback to the limitations we have already.