Create a local clone of your fork using your SSH URL of the forked repo
git clone git@github.com:YOURGITHUBUSERNAME/startupnotes.git
Make sure you have Ruby 1.9.3 or higher installed. If not, you can follow these instructions to install Ruby.
ruby -v
Install Ruby gems
bundle install
Check if you have Node.js installed. If not, you can follow these instructions to install Node.js
node -v
Install nib
npm install nib
Start the server locally using middleman
bundle exec middleman server
View the site locally in your browser
http://localhost:4567