just add:
<script src="https://gitcdn.link/repo/freeCodeCamp/testable-projects-fcc/master/build/bundle.js"></script>
if you use a basic index.html file
just add:
<script src="https://gitcdn.link/repo/freeCodeCamp/testable-projects-fcc/master/build/bundle.js"></script>
if you use a basic index.html file