Initial implementation of a switch button

osu.Game.Tests/Visual/UserInterface/TestSceneSwitchButton.cs

@@ -0,0 +1,20 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Game.Graphics.UserInterface;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    public class TestSceneSwitchButton : OsuTestScene
+    {
+        public TestSceneSwitchButton()
+        {
+            Child = new SwitchButton
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+            };
+        }
+    }
+}