improve qml demo

Zhao Yuhang

2024-05-08 85e783997ffd9629cdaef44b7d482f23c8ca49cb

 examples/qml/qml.qrc

@@ -1,5 +1,6 @@
<RCC>
    <qresource prefix="/">
        <file>main.qml</file>
        <file>QWKButton.qml</file>
    </qresource>
</RCC>