Add difficulty section

osu.Game/Screens/Edit/Setup/DifficultySection.cs

@@ -0,0 +1,25 @@
+// 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.Game.Graphics.Sprites;
+
+namespace osu.Game.Screens.Edit.Setup
+{
+    internal class DifficultySection : SetupSection
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Flow.Children = new Drawable[]
+            {
+                new OsuSpriteText
+                {
+                    Text = "Difficulty settings"
+                },
+                new LabelledSlider()
+            };
+        }
+    }
+}

osu.Game/Screens/Edit/Setup/SetupScreen.cs

@@ -52,6 +52,7 @@ namespace osu.Game.Screens.Edit.Setup
                             {
                                 new ResourcesSection(),
                                 new MetadataSection(),
+                                new DifficultySection(),
                             }
                         },
                     }