Add model card

This PR improves the model card by adding a link to the paper ([HandsOnVLM: Vision-Language Models for Hand-Object Interaction Prediction](https://huggingface.co/papers/2412.13187)).
It also adds the relevant metadata such as `library_name` and `pipeline_tag`.

README.md

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+---
+library_name: transformers
+pipeline_tag: image-text-to-text
+---
+This repository contains the model weights for the paper [HandsOnVLM: Vision-Language Models for Hand-Object Interaction Prediction](https://huggingface.co/papers/2412.13187).
+
+Code: https://github.com/Kami-code/HandsOnVLM-release