Add pipeline tag and library name

This PR adds the `pipeline_tag: image-to-3d` and `library_name: transformers` metadata to the model card, making the model easier to discover and use. It also corrects the link to the paper to the Hugging Face version.

README.md

@@ -1,4 +1,8 @@
 ---
+datasets:
+- Seed3D/Articulation-XL2.0
+language:
+- en
 license: mit
 tags:
 - 3d
@@ -7,14 +11,13 @@ tags:
 - computer-graphics
 - transformer
 - tripo
-datasets:
-- Seed3D/Articulation-XL2.0
-language:
-- en
+pipeline_tag: image-to-3d
+library_name: transformers
 ---
+
 # UniRig: One Model to Rig Them All
 
-**Paper:** [One Model to Rig Them All: Diverse Skeleton Rigging with UniRig](https://zjp-shadow.github.io/works/UniRig/static/supp/UniRig.pdf)  
+**Paper:** [One Model to Rig Them All: Diverse Skeleton Rigging with UniRig](https://huggingface.co/papers/2504.12451)  
 **Code:** [UniRig](https://github.com/VAST-AI-Research/UniRig)  
 **Project Page:**  https://zjp-shadow.github.io/works/UniRig/