Warcraft 3 scripting lang support

It will be cool if you can add Warcraft 3 ([vJass/Jass](https://en.wikipedia.org/wiki/Warcraft_III_World_Editor) and [Zinc](http://www.wc3c.net/vexorian/zincmanual.html)).

Filetype: `.j`, `.jass`, `.zn`

Logo:
![wc3](https://user-images.githubusercontent.com/37040257/96261779-763b4f00-0ff3-11eb-99a5-27c01f33bd38.png)

