Add link to paper

Hi,

This PR ensures the model can be viewed from https://huggingface.co/papers/2408.11812 (feel free to claim the paper so that it appears under your HF profile).

Kind regards,

Niels
Open-source @ HF

README.md

@@ -4,4 +4,18 @@ pipeline_tag: robotics
 ---
 # CrossFormer
 
-See https://github.com/rail-berkeley/crossformer for instructions for using this model.
+See https://github.com/rail-berkeley/crossformer for instructions for using this model.
+
+# Citation
+
+```bibtex
+@misc{doshi2024scalingcrossembodiedlearningpolicy,
+      title={Scaling Cross-Embodied Learning: One Policy for Manipulation, Navigation, Locomotion and Aviation}, 
+      author={Ria Doshi and Homer Walke and Oier Mees and Sudeep Dasari and Sergey Levine},
+      year={2024},
+      eprint={2408.11812},
+      archivePrefix={arXiv},
+      primaryClass={cs.RO},
+      url={https://arxiv.org/abs/2408.11812}, 
+}
+```