added backlight and fixed outbound

main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char *argv[])
     ButtonsModel model(&config);
     ButtonController controller(&config, &model);
     SettingsContainer settings(&config);
-    SystemInfo systemInfo;
+    SystemInfo systemInfo(&config);
 
     QQmlApplicationEngine engine;
     engine.rootContext()->setContextProperty("config", &config);