Added board firmware update functionality

firmwareupdatehelper.h

@@ -0,0 +1,17 @@
+#ifndef FIRMWAREUPDATEHELPER_H
+#define FIRMWAREUPDATEHELPER_H
+
+#include <QObject>
+
+class BMSInterface;
+
+class FirmwareUpdateHelper : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit FirmwareUpdateHelper(QObject *parent = nullptr);
+    Q_INVOKABLE bool uploadFirmware(QString filename, BMSInterface *interface);
+};
+
+#endif // FIRMWAREUPDATEHELPER_H