Add link to paper

Hi,

Niels here from HF. Would be great to link the Space to the paper, as done in this PR.

Cheers!

README.md

@@ -31,4 +31,8 @@ pip install -r requirements.txt
 ## Start Hugging Face UI
 ```bash
 python app.py
-```
+```
+
+## Citation
+
+Paper: https://huggingface.co/papers/2408.14468