jector-examples: terminate the example for runner-images

*	modified:   jector-examples/src/main/java/com/avrsandbox/jector/examples/TaskExecutorService.java

Author: pavly-gerges

jector-examples/src/main/java/com/avrsandbox/jector/examples/TaskExecutorService.java

@@ -83,5 +83,7 @@ public void showMessage(MethodArguments<Object> methodArguments, TaskBinder task
                                      .get("writeMessage")
                                      .getResult());
         System.out.println("-----------------------------------------------------");
+
+        System.exit(0);
     }
 }