from https://help.github.com/articles/setting-up-your-github-pages-site-locally-with-jekyll/
# install xcode components
xcode-select --install
# make sure you have ruby
ruby -v
2.3.3
# install jekyll
gem install bundler
# use bundler to install libs
bundle install
# build and run the site
bundle exec jekyll serve --livereload
./new_algo_template.sh ALGO_NAME SUBSECTION
IE.
./new_algo_template.sh Lyra2z 2k