update website icon and logo, update readme

README.md

@@ -128,6 +128,11 @@ MetaGPT:https://github.com/geekan/MetaGPT
 <img src="https://raw.githubusercontent.com/datawhalechina/pumpkin-book/master/res/qrcode.jpeg" width = "180" height = "180">
 </div>
 
+<div align=center>
+<p>扫描下方二维码关注公众号：MetaGPT</p>
+<img src="D:\Datawhale\hugging-multi-agent\overrides\assets\images\metagpt.jpg" width = "180" height = "180">
+</div>
+
 ## LICENSE
 
 <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="知识共享许可协议" style="border-width:0" src="https://img.shields.io/badge/license-CC%20BY--NC--SA%204.0-lightgrey" /></a><br />本作品采用<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">知识共享署名-非商业性使用-相同方式共享 4.0 国际许可协议</a>进行许可。

mkdocs.yml

@@ -50,8 +50,8 @@ theme:
   font:
     text: Noto Sans SC
     code: Fira Code
-  favicon: assets/images/Zombatar_2.jpg
-  logo: assets/images/Zombatar_2.jpg
+  favicon: assets/images/logo.jpg
+  logo: assets/images/logo.jpg
   icon:
     logo: logo
     repo: fontawesome/brands/github