Update README.md

Author: wong2

README.md

@@ -18,7 +18,9 @@
 
 ## 🤝 Sponsors
 
-[![Stream Logo](screenshots/stream-logo.jpg)](https://getstream.io/chat/sdk/react/?utm_source=github&utm_medium=referral&utm_content=&utm_campaign=wong2)
+<a href="https://getstream.io/chat/sdk/react/?utm_source=github&utm_medium=referral&utm_content=&utm_campaign=wong2">
+  <img src="screenshots/stream-logo.jpg" width="200" />
+</a>
 
 ## ✨ Features