This is the source code for https://spawnfest.github.io/.
Install asdf
(https://asdf-vm.com/guide/getting-started.html#_3-install-asdf), then run:
asdf plugin add ruby # Allows asdf to "control" Ruby
CFLAGS= asdf install # Installs asdf-controlled Ruby
bundle update # Update the bundler
bundle # Installs stuff from Gemfile
bundle exec jekyll serve # Create the website and serve it