Add pipeline tag, library name, link to paper and github

This PR ensures the model can be found at https://huggingface.co/models?pipeline_tag=image-to-image and that a "how to use" button appears.
It also links to the relevant paper and Github repositories.

README.md

@@ -1,11 +1,14 @@
 ---
 license: apache-2.0
+pipeline_tag: image-to-image
+library_name: diffusers
 ---
+
 # MagicFace Model Card
 
 <div align="center">
 
-[**Paper**](https://arxiv.org/pdf/2501.02260) **|** [**Code**](https://github.com/weimengting/MagicFace) 
+[**Paper**](https://huggingface.co/papers/2501.02260) **|** [**Code**](https://github.com/weimengting/MagicFace) 
 
 
 </div>