Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qrunnable.h

@@ -0,0 +1,30 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QRUNNABLE_H
+#define QRUNNABLE_H
+
+#include <QtCore/qglobal.h>
+#include <functional>
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QRunnable
+{
+    bool m_autoDelete = true;
+
+    Q_DISABLE_COPY(QRunnable)
+public:
+    virtual void run() = 0;
+
+    constexpr QRunnable() noexcept = default;
+    virtual ~QRunnable();
+    static QRunnable *create(std::function<void()> functionToRun);
+
+    bool autoDelete() const { return m_autoDelete; }
+    void setAutoDelete(bool autoDelete) { m_autoDelete = autoDelete; }
+};
+
+QT_END_NAMESPACE
+
+#endif