Fix typo in LineStyle.cs

Change "embeded" to "embedded".

Author: ericmutta

src/AngleSharp.Css/Dom/LineStyle.cs

@@ -38,7 +38,7 @@ public enum LineStyle : byte
         /// </summary>
         Ridge,
         /// <summary>
-        /// The outline makes the box look as though it were embeded in the canvas.
+        /// The outline makes the box look as though it were embedded in the canvas.
         /// </summary>
         Inset,
         /// <summary>