Gemfile

source 'https://rubygems.org'
gem 'jekyll-redirect-from'
# gem 'html-proofer' # link-checking: bundle exec htmlproofer ./_site/ --only-4xx --empty-alt-ignore --allow-hash-href

# group :jekyll_plugins do
#   gem 'hawkins'
# end

# ^ Useful for live reloading the site in your
# browser during development. To use, uncomment
# and do:
# bundle exec jekyll liveserve --incremental