Update README.md

Author: antonioperic

README.md

@@ -20,7 +20,7 @@
     </a>
     <br/>
     <br/>
-    <p align="center"><img src="https://sylius.com/assets/badge-approved-by-sylius.png" width="200"></p>
+    <p align="center"><a href="https://sylius.com/plugins/" target="_blank"><img src="https://sylius.com/assets/badge-approved-by-sylius.png" width="200"></a></p>
 </h1>
 
 # Demo