Distributed inference example for llava_next

[VladOS95-cyber]

Add distributed inference example for LLaVA-NeXT-Video-7B-hf. Changes were already approved but staled: #3179

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• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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  to it if that's the case. Link: [Community Contributions] examples on distributed inference using 🤗 Accelerate #3078
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• Did you write any new necessary tests?

Who can review?

@muellerzr @a-r-r-o-w @SunMarc