chore: update doc

Author: iamkun

README.md

@@ -140,7 +140,7 @@ Support this project by becoming a sponsor. Your logo will show up here with a l
 </a>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <a href="https://automatio.ai" target="_blank" alt="Automatio AI">
-  <img width="70" src="https://avatars.githubusercontent.com/u/1984909?v=4">
+  <img width="70" src="https://avatars.githubusercontent.com/u/1984909?v=4" />
 </a>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <a href="https://github.com/Ayo1984" target="_blank">