Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/LtsWidgets/tests/main.cpp

@@ -0,0 +1,31 @@
+#include <QApplication>
+
+#include "window.h"
+#include <LtsWidgets/lts_date_time_edit.h>
+
+
+int main(int argc, char **argv)
+{
+  QApplication app(argc, argv);
+
+
+
+
+
+
+
+
+  LtsWidgets::LtsDateTimeEdit dte;
+  dte.activateWindow();
+  dte.show();
+
+
+
+
+
+
+  
+
+
+  return app.exec();
+}