Fix Sponsors

README.md

@@ -108,7 +108,7 @@ View **Gitote** documentations [here](docs)
 
 <p>
     <a href="https://m.do.co/c/1ddec8d50826">
-        <img src="https://cdn.gitote.in/img/sponsors/digitalocean.png" width="220"/>
+        <img src="https://i.imgur.com/otOcCXR.png" width="220"/>
     </a>
 </p>