Dependencies:
First install ruby and ruby bundler if you don't already have it from another ruby project:
sudo apt install ruby ruby-dev
gem install jekyll bundler
or
# Note: No sudo on a Mac. You should never use sudo for these kinds of installs on a Mac anymore.
# sudo may make this work for now, but it will make your life miserable in the long run.
brew install ruby
gem install jekyll bundler
Then use bundler to install the needed gems
bundle install
To build the website:
bundle exec jekyll serve
Now browse to http://localhost:4000 to view
Logo maker: logomakr.com/5mGstw