[Feature Request] Please add support for Grok/xAI

[Starstrike]

I've looked around and tried to see if using the api link for xAI would work, but unfortunately it doesn't seem to work as no entities or service shows up. I also don't see any logs indicating an issue.

The API URL for xAI/Grok is https://api.x.ai/v1

Can we get support added for this? Would like to use Grok 2 with Home Assistant to see how it compares to OpenAI.

https://docs.x.ai/docs/guides/migration