Qt: Improve spacing

Source/Core/DolphinQt2/QtUtils/WrapInScrollArea.h

@@ -0,0 +1,13 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+class QLayout;
+class QWidget;
+
+QWidget* GetWrappedWidget(QWidget* wrapped_widget, QWidget* to_resize = nullptr, int margin = 50);
+
+// Wrap wrapped_layout in a QScrollArea and fill the parent widget with it
+void WrapInScrollArea(QWidget* parent, QLayout* wrapped_layout, QWidget* to_resize = nullptr);