The open sauce cookbook.
https://simpleit.rocks/how-to-add-bootstrap-4-to-jekyll-the-right-way/ https://blog.cloudflare.com/secure-and-fast-github-pages-with-cloudflare/
First time opening the project, install Ruby gems:
gem install jekyll bundler
bundle install
To build the application:
yarn install
bundle exec jekyll serve
Now available at http://localhost:4000