This project is a Eleventy site. If you've used a static site generator before, you're pretty much good to go. If not, take a look through the Eleventy documentation to get up to speed.
It's a JavaScript site, so you'll need node installed. Using nvm will make sure you're using the right version.
# git clone, etc
yarn # install dependencies
yarn serve # run development serverThen open localhost:8123 in your browser, and you should be ready to disco.