Generate Cheatsheet by using Ruby's cheatset function
sudo gem install cheatset
Convert to docset
cheatset generate cassandra.yaml.rb
Create cassandra folder in Dash folder
mkdir ~/Library/Application\ Support/Dash/Cheat\ Sheets/cassandra
Move docset to Dash folder
mv cassandra.docset ~/Library/Application\ Support/Dash/Cheat\ Sheets/cassandra/
wget https://github.com/ibspoof/dash-cassandra-cheatsheet/releases/download/v1.0.0/cassandra.zip && unzip cassandra.zip && mv cassandra ~/Library/Application\ Support/Dash/Cheat\ Sheets/