docs: improve vercel badge position (#3347)

* docs: improve Vercel badge position

* docs: keep Vercel badge at the bottom

Author: rickstaa

readme.md

@@ -24,6 +24,9 @@
     </a>
     <br />
     <br />
+    <a href="https://vercel.com?utm\_source=github\_readme\_stats\_team\&utm\_campaign=oss">
+      <img src="./powered-by-vercel.svg"/>
+    </a>
   </p>
 
   <p align="center">