Add feature of adding ascii arts

[RatanShreshtha]

It would be nice to feature of printing ascii arts in rich.

[willmcgugan]

Do you mean converting an image in to ascii? There are quite a lot of tools to do that already. It's not something I see the need for in the core library, but an extension is possible.

[RatanShreshtha]

I mean converting text to ASCII art.

[willmcgugan]

I can't do much better than https://github.com/sepandhaghighi/art