add Side.TopLeft

close #266

Author: bvenn

src/Plotly.NET/CommonAbstractions/StyleParams.fs

@@ -2628,13 +2628,15 @@ module StyleParam =
     [<RequireQualifiedAccess>]
     type Side =
         | Top
+        | TopLeft
         | Bottom
         | Left
         | Right
 
         static member toString =
             function
             | Top -> "top"
+            | TopLeft -> "top left"
             | Bottom -> "bottom"
             | Left -> "left"
             | Right -> "right"

src/Plotly.NET/Playground.fsx

@@ -306,4 +306,12 @@ let multiTraceSingleStack =
     ]
     |> Chart.SingleStack()
     |> Chart.withSize(1000,1000)
-    |> Chart.show
+    |> Chart.show
+
+[
+Chart.Point [(1,2)]
+Chart.Point [(2,1)]
+]
+|> Chart.combine
+|> Chart.withLegend(Legend.init(Title=Title.init("Left",Side=StyleParam.Side.Left)))
+|> Chart.show