Requiring underscore in your labs

adding underscore.md

1. go to underscore
2. copy the entire contents of the file
3. create a new file called underscore.min.js
4. paste the contents of the file you had copied and save it
5. edit the requires.yml file to add this line to the file and save it - path/to/underscore.min.js
6. now run ironboard or ironboar -b and enjoy!