Docs: Get back AMI link (kafbat#859)

Author: Haarolean

README.md

@@ -18,6 +18,7 @@ Versatile, fast and lightweight web UI for managing Apache Kafka® clusters.
     <a href="https://ui.docs.kafbat.io/quick-start/demo-run">Quick Start</a> • 
     <a href="https://discord.gg/4DWzD7pGE5">Community</a>
     <br/>
+    <a href="https://aws.amazon.com/marketplace/pp/prodview-6tdqqzzjwmejq">AWS Marketplace</a>  •
     <a href="https://www.producthunt.com/products/ui-for-apache-kafka/reviews/new">ProductHunt</a>
 </p>