Improve model card

This PR adds a link to the paper page, changes the `pipeline_tag` to `text-to-image` and removes the `library_name` since it's a custom
library.

README.md

@@ -1,5 +1,4 @@
 ---
-library_name: sana
 tags:
 - text-to-image
 - Sana
@@ -10,6 +9,7 @@ language:
 base_model:
 - Efficient-Large-Model/Sana_600M_1024px
 pipeline_tag: text-to-image
+license: other
 ---
 
 <p align="center" style="border-radius: 10px">
@@ -21,7 +21,7 @@ pipeline_tag: text-to-image
   <a href="https://github.com/NVlabs/Sana"><img src="https://img.shields.io/static/v1?label=Code&message=Github&color=blue&logo=github"></a> &ensp;
   <a href="https://nvlabs.github.io/Sana/"><img src="https://img.shields.io/static/v1?label=Project&message=Github&color=blue&logo=github-pages"></a> &ensp;
   <a href="https://hanlab.mit.edu/projects/sana/"><img src="https://img.shields.io/static/v1?label=Page&message=MIT&color=darkred&logo=github-pages"></a> &ensp;
-  <a href="https://arxiv.org/abs/2410.10629"><img src="https://img.shields.io/static/v1?label=Arxiv&message=Sana&color=red&logo=arxiv"></a> &ensp;
+    <a href="https://huggingface.co/papers/2410.10629"><img src="https://img.shields.io/static/v1?label=Arxiv&message=Sana&color=red&logo=arxiv"></a> &ensp;
   <a href="https://nv-sana.mit.edu/"><img src="https://img.shields.io/static/v1?label=Demo&message=MIT&color=yellow"></a> &ensp;
   <a href="https://discord.gg/rde6eaE5Ta"><img src="https://img.shields.io/static/v1?label=Discuss&message=Discord&color=purple&logo=discord"></a> &ensp;
 </div>