yuzu: Add ui files for multiplayer rooms

src/yuzu/util/clickable_label.cpp

@@ -0,0 +1,12 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "yuzu/util/clickable_label.h"
+
+ClickableLabel::ClickableLabel(QWidget* parent, [[maybe_unused]] Qt::WindowFlags f)
+    : QLabel(parent) {}
+
+void ClickableLabel::mouseReleaseEvent([[maybe_unused]] QMouseEvent* event) {
+    emit clicked();
+}