v1.2.1

1. Download onboard.el
2. Open a terminal
3. Run the shell command: emacs -q --load ~/path/to/onboard.el

-- or --

1. Download onboard.el
2. Copy/paste this into your ~/.emacs.d/init.el file; don't forget to update the path:
   (load-file (expand-file-name "~/path/to/onboard.el"))
3. Restart Emacs