yuzu: Add ui files for multiplayer rooms

src/yuzu/util/clickable_label.h

@@ -0,0 +1,22 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QLabel>
+#include <QWidget>
+
+class ClickableLabel : public QLabel {
+    Q_OBJECT
+
+public:
+    explicit ClickableLabel(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+    ~ClickableLabel() = default;
+
+signals:
+    void clicked();
+
+protected:
+    void mouseReleaseEvent(QMouseEvent* event);
+};