Add minimal Qt desktop pet window

main.cpp

@@ -0,0 +1,16 @@
+#include <QApplication>
+
+#include "src/ui/PetWindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    QApplication::setApplicationName("QtDesktopPet");
+    QApplication::setOrganizationName("QtDesktopPet");
+
+    PetWindow window;
+    window.show();
+
+    return app.exec();
+}
+