[docs] Fix logo

docs/site/content/en/docs/overview/introduction.md

@@ -15,7 +15,7 @@ toc: true
 **WAHA** - **W**hats**A**pp **H**TTP **A**PI that you can install on your own server and run in less than 5 minutes!
 
 <div class="d-flex justify-content-center my-4">
-  <img src="/images/logo.png"/>
+  <img src="/images/logo.svg" style='border-radius: 50%' width='150'/>
 </div>
 
 ## Get started