[Doc] Add rtformer link in readme_en

README_EN.md

@@ -23,6 +23,7 @@ English | [简体中文](README_CN.md)
 
 ## <img src="./docs/images/seg_news_icon.png" width="20"/> News
 <ul class="nobull">
+ <li>[2022-10-10] PaddleSeg has released the real-time semantic segmentation model <a href="https://github.com/PaddlePaddle/PaddleSeg/tree/develop/configs/rtformer">RTFormer</a> developed by Baidu.
  <li>[2022-07-20] :fire: PaddleSeg v2.6 is released! More details in <a href="https://github.com/PaddlePaddle/PaddleSeg/releases">Release Notes</a>.</li>
  <ul>
   <li>Release <a href="./contrib/PP-HumanSeg">PP-HumanSeg v2</a>, an off-the-shelf human segmentation model. It achieves 64.26 FPS on the mobile device, which is 45.5% faster than before. </li>