Autoupdate config menu after config changes

src/main.cpp

@@ -29,6 +29,8 @@
 #include <QDir>
 
 int main(int argc, char *argv[]) {
+    // required for the button serialization
+    qRegisterMetaTypeStreamOperators<QList<int> >("QList<int>");
     qApp->setApplicationVersion(static_cast<QString>(APP_VERSION));
 
     QTranslator translator;