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/scala/tutorial_5/IotApp.scala

@@ -0,0 +1,29 @@
+/**
+ * Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
+ */
+package tutorial_5
+
+import akka.actor.ActorSystem
+import tutorial_5.DeviceManager.RequestTrackDevice
+
+import scala.io.StdIn
+
+object IotApp {
+
+  def main(args: Array[String]): Unit = {
+    val system = ActorSystem("iot-system")
+
+    try {
+      // Create top level supervisor
+      val supervisor = system.actorOf(DeviceManager.props(), "iot-supervisor")
+
+      supervisor ! RequestTrackDevice("mygroup", "device1")
+
+      // Exit the system after ENTER is pressed
+      StdIn.readLine()
+    } finally {
+      system.terminate()
+    }
+  }
+
+}