Move GeometryUtilities

src/ImageSharp/GeometryUtilities.cs

@@ -1,10 +1,10 @@
-// Copyright (c) Six Labors and contributors.
+// Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
 
 using System;
 using System.Runtime.CompilerServices;
 
-namespace SixLabors
+namespace SixLabors.ImageSharp
 {
     /// <summary>
     /// Utility class for common geometric functions.
@@ -31,4 +31,4 @@ namespace SixLabors
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static float RadianToDegree(float radian) => radian / (MathF.PI / 180F);
     }
-}
+}