Add Dogescript support

Dogescript: https://github.com/remixz/dogescript

Examples: 
* https://github.com/ngscheurich/doge-adventure
* https://github.com/Goos/dogenerator
* Dogescript compiling implemented in https://github.com/jenius/roots

```
 wow
     no dogescript on github
  much PR
      very syntax
    for great compile-to-JS
```