Move content from akka-docs-new into akka-docs

Now the paradox documentation is no longer functional until we update akka-docs
to generate from paradox instead of sphinx

akka-docs/src/test/java/jdocs/tutorial_5/IotMain.java

@@ -0,0 +1,29 @@
+/**
+ * Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
+ */
+package jdocs.tutorial_5;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+
+import java.io.IOException;
+
+public class IotMain {
+
+  public static void main(String[] args) throws IOException {
+    ActorSystem system = ActorSystem.create("iot-system");
+
+    try {
+      // Create top level supervisor
+      ActorRef supervisor = system.actorOf(DeviceManager.props(), "iot-supervisor");
+
+      supervisor.tell(new DeviceManager.RequestTrackDevice("mygroup", "device1"), ActorRef.noSender());
+
+      System.out.println("Press ENTER to exit the system");
+      System.in.read();
+    } finally {
+      system.terminate();
+    }
+  }
+
+}