Add rotated property

Author: synercoder

src/Synercoding.Primitives/Size.cs

@@ -58,6 +58,12 @@ public static Size Empty
         /// </summary>
         public Value Height { get; }
 
+        /// <summary>
+        /// The rotated version of this <see cref="Size"/>; Same as calling var newSize = new Size(oldSize.Height, oldSize.Width);
+        /// </summary>
+        public Size Rotated
+            => new Size(Height, Width);
+
         /// <summary>
         /// Get the <see cref="Primitives.Orientation"/> of the size
         /// </summary>