To run:
git clone
npm install
npm start
Click the "Download this" link. Save it. Note that it is saved without a file extension. find ~/Downloads -name "*ron-swanson*" to confirm that.
Now download in Chrome (you can just go to JSBin or something and paste this into the HTML <a href="https://cameronnokes.com/slack-ron-swanson-quote-bot/ron-swanson.jpg" download>Download this</a>). Note that it saves with a file extension.