Be sure you have Jekyll, a static site builder, installed. You can follow this guide for installation of Ruby and Jekyll. (Note that the current recommened Ruby version is Ruby 3, and the default MacOS Ruby version is no longer recommended)
git clone https://github.com/RevolutionUC/revolutionuc-frontend.git
cd revolutionuc-frontend
bundle install
rake #runs bundle exec jekyll serve --livereloadImages
magick 4x\*.jpg -resize 25% 1x\images.jpg && magick 4x\*.jpg -resize 50% 2x\images.jpg && magick 4x\*.jpg -resize 75% 3x\images.jpg