WireGuard for MacOS (#248)

* WireGuard for MacOS
* Fix openvpn block-outside-dns

client/platforms/dummy/dummypingsender.h

@@ -0,0 +1,21 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DUMMYPINGSENDER_H
+#define DUMMYPINGSENDER_H
+
+#include "pingsender.h"
+
+class DummyPingSender final : public PingSender {
+  Q_OBJECT
+  Q_DISABLE_COPY_MOVE(DummyPingSender)
+
+ public:
+  DummyPingSender(const QHostAddress& source, QObject* parent = nullptr);
+  ~DummyPingSender();
+
+  void sendPing(const QHostAddress& dest, quint16 sequence) override;
+};
+
+#endif  // DUMMYPINGSENDER_H