[Feature]: Support HuggingFaceM4/idefics2-8b as vision model

[pseudotensor]

🚀 The feature, motivation and pitch

I know even llava 1.6 isn't in, but benchmarks for this model are much better.

https://huggingface.co/HuggingFaceM4/idefics2-8b
https://huggingface.co/blog/idefics2

TGI support coming according to model card discussion, but no PR in TGI yet for 2, but seems idefics is there.

Alternatives

llava1.6, but maybe obsolete by now.

Additional context

No response

[jc9123]

I will work on implementing this model.

[xiechengmude]

I will work on implementing this model.

how is it going ,bro

[dipta007]

Any update here? Thanks.

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