chore:add qr code support for login

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

libraries/qt-qrcodegenerator/qr.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <QColor>
+#include <QPainter>
+#include <QSize>
+
+// https://stackoverflow.com/questions/21400254/how-to-draw-a-qr-code-with-qt-in-native-c-c
+void paintQR(QPainter& painter, const QSize sz, const QString& data, QColor fg);