Add host interface

Sine Striker

2023-12-05 3cfe15a9c3db0993d8b8fef5d148625840e5a75c

 src/quick/quickwindowagent_p.h

@@ -15,7 +15,7 @@
        void init();

        // Host
        QQuickWindow *host{};
        QQuickWindow *hostWindow{};
    };

}