[Readme]: add docker link

Author: sensorario

README.md

@@ -52,6 +52,10 @@ In questo repository puoi trovare buona parte del codice in cui si parla del lib
 - [Next] [route-groups](/next.js/route-groups)
 - [Next] [server-actions](/next.js/server-actions)
 
+### Docker
+
+- [Docker] [example with react](/docker/docker-example)
+
 </td></tr><tr><td valign="baseline" width="50%"><img width="441" height="1">
 
 ### JavaScript