Development setup instructions - crittermike/shortkeys GitHub Wiki
Don't be scared! Setup only takes 2 minutes.
npm install
gulp build --watch
Then go to [chrome://extensions](chrome://extensions) and check "Developer mode", and click "Load unpacked extension" and open the dist/chrome/ directory.
For more info on development, including the supported Gulp commands, see the docs for the Chrome Extension Kickstart generator, which this extension was built from.