Set nicer window title

Define a proper applicationDisplayName which gets used as a window title

Otherwise it will say kirigami2gallery, which is not nice

src/main.cpp

@@ -43,6 +43,7 @@ Q_DECL_EXPORT int main(int argc, char *argv[])
 {
     QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setApplicationDisplayName(QStringLiteral("Kirigami Gallery"));
 //The desktop QQC2 style needs it to be a QApplication
 #ifdef Q_OS_ANDROID
     QGuiApplication app(argc, argv);