avoid the need for additional includes for task interfaces

lib/exampletask/GwExampleTask.h

@@ -12,8 +12,20 @@ void exampleInit(GwApi *param);
 
 //let the core call an init function before the 
 //N2K Stuff and the communication is set up
-//normally you should not need this at all
+//especially this init function will register the real task at the core
+//this gives you some flexibility to decide based on config or defines whether you
+//really want to start the task or not
 //this function must return when done - otherwise the core will not start up
 DECLARE_INITFUNCTION(exampleInit);
 
+/**
+ * an interface for the example task
+*/
+class ExampleTaskIf : public GwApi::TaskInterfaces::Base{
+    public:
+    long count=0;
+    String someValue;
+};
+DECLARE_TASKIF(ExampleTaskIf);
+
 #endif