add compatibility reporting to qt frontend

src/citra_qt/compatdb.h

@@ -0,0 +1,27 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QWizard>
+
+namespace Ui {
+class CompatDB;
+}
+
+class CompatDB : public QWizard {
+    Q_OBJECT
+
+public:
+    explicit CompatDB(QWidget* parent = nullptr);
+    ~CompatDB();
+
+private:
+    std::unique_ptr<Ui::CompatDB> ui;
+
+private slots:
+    void Submit();
+    void EnableNext();
+};