add support zonos model

[yodatak]

Hi thanks again for this app it would be aswome to support zonos
https://github.com/Zyphra/Zonos

[theslipperyCarrot]

I would also very much welcome that!

[lukaszliniewicz]

It seems like a very good model, but I'd like to finish polishing the XTTS workflow (because it offers support for most languages), refactor the app a bit and work on better LLM integration such as speaker attribution before I add new models.