fix(): Update README.adoc

Author: sfrehse

README.adoc

@@ -17,11 +17,13 @@ It is a Java-based open source MQTT and MQTT-SN broker that fully supports MQTT
 image::docs/edge-intro.gif[title=Edge Intro, align="center"]
 
 * Website: https://www.hivemq.com/
-* Documentation: https://github.com/hivemq/hivemq-edge/wiki
+* Documentation: https://docs.hivemq.com/hivemq-edge/index.html
 * Community Forum: https://community.hivemq.com/
 * Contribution guidelines: link:CONTRIBUTING.adoc[Contributing.adoc]
 * License: The source files in this repository are made available under the link:LICENSE[Apache License Version 2.0].
 
+When you deploy HiveMQ Edge using Docker, you will have a preview of commercially licensed features.
+
 == Features
 
 * Converters for OPC UA, Modbus, and other protocols into MQTT messages