docs: add arxiv paper link (#2)

- docs: add arxiv paper link (1490b691088781ba26c5f7339203d8bf3a219f8e)


Co-authored-by: Wei Tao <itaowe@users.noreply.huggingface.co>

README.md

@@ -1,3 +1,4 @@
----
-license: cc-by-nc-sa-4.0
----
+---
+license: cc-by-nc-sa-4.0
+arxiv: arxiv.org/abs/2505.04606
+---