Add command-r support like llamacpp has

[rombodawg]

llamacpp has recently added command-r suppport. Can we get it for llamacpp-python?

ggml-org/llama.cpp@12247f4

https://huggingface.co/CohereForAI/c4ai-command-r-v01

[gmeyoyan]

Seconding this request. Command-R shows a lot of promise.

[azulika]

+1 pls

[abetlen]

Hey sorry for the late reply here, the model should work as of the version 0.2.57 pushed a couple of days ago.

One issue though is that the gguf files I saw on HF don't include the chat format.

[v2rockets]

I think this the description of chat format:
https://docs.cohere.com/docs/prompting-command-r

[jmtatsch]

Related PR #1382