Usermod config level up, step1

usermods/audioreactive/audio_reactive.h

@@ -1418,6 +1418,10 @@ class AudioReactive : public Usermod {
       sync[F("mode")] = audioSyncEnabled;
     }
 
+    void addToConfigMenu(JsonObject& root) {
+      JsonObject top = root.createNestedObject(FPSTR(_name));
+    }
+
 
     /*
      * readFromConfig() can be used to read back the custom settings you added with addToConfig().