Add library name, pipeline tag, and link to code

This PR adds library name, pipeline tag, link to code, and ensures the "how to use" button appears on the top right.

README.md

@@ -1,5 +1,7 @@
 ---
 license: mit
+library_name: pytorch
+pipeline_tag: image-classification
 ---
 
 <div align="center">
@@ -15,6 +17,7 @@ We launch **EVA**, a vision-centric foundation model to **E**xplore the limits o
 
 ***EVA is the first open-sourced billion-scale vision foundation model that achieves state-of-the-art performance on a broad range of downstream tasks.***
 
+This repository hosts the pretrained weights for the models described in the paper [EVA: Exploring the Limits of Masked Visual Representation Learning at Scale](https://arxiv.org/abs/2211.07636). You can find a basic usage example in the Github repository, which can be found at https://github.com/baaivision/EVA.
 </div>
 
 
@@ -180,5 +183,4 @@ The content of this project itself is licensed under the MIT License.
 For help or issues using EVA, please open a GitHub [issue](https://github.com/baaivision/EVA/issues/new).
 
 **We are hiring** at all levels at BAAI Vision Team, including full-time researchers, engineers and interns. 
-If you are interested in working with us on **foundation model, self-supervised learning and multimodal learning**, please contact [Yue Cao](http://yue-cao.me/) (`caoyue@baai.ac.cn`) and [Xinlong Wang](https://www.xloong.wang/) (`wangxinlong@baai.ac.cn`).
-
+If you are interested in working with us on **foundation model, self-supervised learning and multimodal learning**, please contact [Yue Cao](http://yue-cao.me/) (`caoyue@baai.ac.cn`) and [Xinlong Wang](https://www.xloong.wang/) (`wangxinlong@baai.ac.cn`).