Add support for Nim (was: Comments in Nim are in the wrong format)

[lf-araujo]

Unless I misunderstood your API, results should have comments in the syntax of the desired language.

In the case of Nim, comments are Python-like (#), but results come in C format (/**/).

[chubin]

Yes, that is because Nim is not (yet) supported. Here is the list of the supported languages:

https://github.com/chubin/cheat.sh#programming-languages-cheat-sheets