yuzu: Add UI tab to configure BCAT services

Also displays current events if boxcat is selected.

src/yuzu/configuration/configure_service.h

@@ -0,0 +1,34 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QFutureWatcher>
+#include <QWidget>
+
+namespace Ui {
+class ConfigureService;
+}
+
+class ConfigureService : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit ConfigureService(QWidget* parent = nullptr);
+    ~ConfigureService() override;
+
+    void applyConfiguration();
+    void retranslateUi();
+
+private:
+    void setConfiguration();
+
+    std::pair<QString, QString> BCATDownloadEvents();
+    void OnBCATImplChanged();
+    void OnUpdateBCATEmptyLabel(std::pair<QString, QString> string);
+
+    std::unique_ptr<Ui::ConfigureService> ui;
+    QFutureWatcher<std::pair<QString, QString>> watcher;
+};