load App
Called on app initialization - either invoked by the KoolEditor when the app was (re-)loaded or by the Launcher when the app was started in standalone mode. The two modes can be distinguished via AppState.isInEditor
Called on app initialization - either invoked by the KoolEditor when the app was (re-)loaded or by the Launcher when the app was started in standalone mode. The two modes can be distinguished via AppState.isInEditor