qt: Add web configuration tab.

src/citra_qt/configuration/configure_web.h

@@ -0,0 +1,30 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QWidget>
+
+namespace Ui {
+class ConfigureWeb;
+}
+
+class ConfigureWeb : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit ConfigureWeb(QWidget* parent = nullptr);
+    ~ConfigureWeb();
+
+    void applyConfiguration();
+
+public slots:
+    void updateWeb();
+
+private:
+    void setConfiguration();
+
+    std::unique_ptr<Ui::ConfigureWeb> ui;
+};