Line numbers outside of the code block

[pmudry]

A nice improvement would be to be able to put the line numbers outside of the code block. This is what I can currently have :

What would be very nice (made with the listings package from LaTex) :

If you like the idea, I can contribute if required.

PS: your package is great! Thank you very much for all the work.

[pmudry]

I will propose an implementation in the upcoming weeks. Do you accept PR ?

[Dherse]

Yes I do! Thanks in advance