Fix image link in CanvasTextLayout documentation.
Fix image link in CanvasTextLayout documentation.

zjsxwc/Win2D,LanceMcCarthy/Win2D,LanceMcCarthy/Win2D,ChrisBriggsy/Win2D,ChrisBriggsy/Win2D,zjsxwc/Win2D,ChrisBriggsy/Win2D,zjsxwc/Win2D,LanceMcCarthy/Win2D