Add support for "nix" in the code blocks

Feedback Feature Requests
1

I would love to see “nix” support in the code blocks. Is this possible?

2

Welcome. Should be possible through something like this.

3

And where do I have to add this in the code? I could not find the right spot.

4

It’s more complicated than adding some code to the right spot. You probably need the help of a programmer. I simply pointed to the material that the programmer can work with.