LLaVa-Next: Update docs with batched inference (#30857)
* update docs with batch ex
* Update docs/source/en/model_doc/llava_next.md
Co-authored-by: NielsRogge <48327001+NielsRogge@users.noreply.github.com>
* accept nested list of img
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Co-authored-by: NielsRogge <48327001+NielsRogge@users.noreply.github.com>