Update README.md

This is the model parameters of [CharacterGen](https://github.com/zjp-shadow/CharacterGen).
Thanks for downloading the checkpoint~
If you find our work helpful, please consider citing
```bibtex


@article

{peng2024charactergen,
title ={CharacterGen: Efficient 3D Character Generation from Single Images with Multi-View Pose Canonicalization},
author ={Hao-Yang Peng and Jia-Peng Zhang and Meng-Hao Guo and Yan-Pei Cao and Shi-Min Hu},
journal ={ACM Transactions on Graphics (TOG)},
year ={2024},
volume ={43},
number ={4},
doi ={10.1145/3658217}
}
```

README.md

@@ -1,3 +1,6 @@
----
-license: mit
----
+---
+license: apache-2.0
+language:
+- en
+pipeline_tag: image-to-3d
+---