chore: convert roman numeral cert project into lab and add to main repo

[jdwilkin4]

We are converting the roman numeral cert project to a regular lab. https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-roman-numeral-converter-project/build-a-roman-numeral-converter

All user stories stay the same.

Also, use the same ids here too