[SUGGESTION] Squirrel highlight in wiki

[ysc3839]

I found the highlight js for Squirrel. Hope devs can make it useable in wiki.

http://mtlung.googlepages.com/shBrushSquirrel.js

A copy on Github
https://gist.github.com/ysc3839/5a292dfc38cd1121176dc4696ab2458d