yuzu_tester: Add 'yuzutest' service

src/yuzu_tester/service/yuzutest.h

@@ -0,0 +1,19 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <string>
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::Yuzu {
+
+void InstallInterfaces(SM::ServiceManager& sm, std::string data,
+                       std::function<void(u32, std::string)> finish_callback);
+
+} // namespace Service::Yuzu