Running the site locally requires you to have Jekyll installed. To install Jekyll, run:
gem install jekyll
Prerequisites for jekyll are Ruby (including dev-headers) and RubyGems. For more information on how to install Jekyll, please check the Jekyll website.
After installing Jekyll, simply run jekyll serve in the project directory and you can connect to the site at http://127.0.0.1:4000.
When submitting a pull request, please use the 'develop' branch