Iced Coffee Script support for VSCode

IcedCoffeeScript by Maxwell Krohn: https://maxtaco.github.io/coffee-script/

Syntax highlighting by Ionut-Cristian Florescu (and Logan Howlett): https://github.com/icflorescu/sublime-iced-coffeescript

and this extension (server/src/iced_walk.iced) by Michał Zochniak