chore: initialize client repository

Common/FileHelper.h

@@ -0,0 +1,14 @@
+#pragma once
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QProcess>
+
+class FileHelper
+{
+public:
+    static bool createDir(const QString& path);
+    static bool copyFileOverwrite(const QString& src, const QString& dst);
+    static bool isProcessRunning(const QString& exeName);
+    static bool killProcess(const QString& exeName);
+};