This PR adds a model card for the paper [Rethinking the Embodied Gap in Vision-and-Language Navigation: A Holistic Study of Physical and Visual Disparities](https://huggingface.co/papers/2507.13019).
It includes the paper abstract, links to the project page and GitHub repository, and adds relevant metadata: `pipeline_tag: robotics`, `library_name: transformers`, and `license: mit`.
