This is the "single-page style" project. See the multi-page style project (bottom of this README) for a more simple setup if you're having trouble. Selecting the multi-page setup (which will put only one chart on each page) will help you avoid conflicting CSS and JS across charts.
It is published on the master branch here: https://dmil.github.io/example-frontend/
Back End https://github.com/dmil/example-backend
Front End https://github.com/dmil/example-frontend
Front End Example 2