Create Basic V2 footer and test

osu.Game/Screens/Select/FooterV2/FooterV2.cs

@@ -0,0 +1,39 @@
+// 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.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Events;
+using osu.Game.Graphics;
+
+namespace osu.Game.Screens.Select.FooterV2
+{
+    public partial class FooterV2 : CompositeDrawable
+    {
+        //Should be 60, setting to 50 for now for the sake of matching the current BackButton height.
+        private const int height = 50;
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colour)
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = height;
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = colour.B5
+                }
+            };
+        }
+
+        protected override bool OnMouseDown(MouseDownEvent e) => true;
+
+        protected override bool OnClick(ClickEvent e) => true;
+
+        protected override bool OnHover(HoverEvent e) => true;
+    }
+}