[Chapel Merge] Update README to capture how I got things working

Branch: refs/heads/main
Revision: e13de10
Author: bradcray
Log Message:

Merge pull request #4 from bradcray/update-README-for-discourse

Update README to capture how I got things working with Discourse

Modified Files:
M README.md

Compare: https://github.com/chapel-lang/highlightjs-chapel/compare/2e74eb08ba56...e13de108eb98