update fsdocs tool, fix some docs

Author: kMutagene

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "fsdocs-tool": {
-      "version": "16.1.1",
+      "version": "19.1.1",
       "commands": [
         "fsdocs"
       ]

docs/geo-map-charts/geo-plots.fsx

@@ -126,7 +126,7 @@ let flights =
             MarkerColor = Color.fromString "red"
         ))
     |> Chart.combine
-    |> Chart.withLegend (false)
+    |> Chart.withLayoutStyle (ShowLegend = false)
     |> Chart.withGeoStyle (
         Scope = StyleParam.GeoScope.NorthAmerica,
         Projection = GeoProjection.init (StyleParam.GeoProjectionType.AzimuthalEqualArea),

docs/mapbox-map-charts/mapbox-plots.fsx

@@ -119,7 +119,7 @@ let flights =
             LineColor = Color.fromString "red"
         ))
     |> Chart.combine
-    |> Chart.withLegend (false)
+    |> Chart.withLayoutStyle (ShowLegend = false)
     |> Chart.withMapbox (Mapbox.init (Style = StyleParam.MapboxStyle.OpenStreetMap, Center = (-97.0372, 32.8959)))
     |> Chart.withMarginSize (0, 0, 50, 0)
     |> Chart.withTitle "Feb. 2011 American Airline flights"