Always use charset "utf-8" on plotly script references

Author: kMutagene

src/Plotly.NET/ChartAPI/GenericChart.fs

@@ -54,10 +54,10 @@ type HTML() =
 
         let plotlyScriptRef =
             match plotlyReference with
-            | CDN cdn -> script [ _src cdn ] []
+            | CDN cdn -> script [ _src cdn; _charset "utf-8"] []
             | Full ->
                 script
-                    [ _type "text/javascript" ]
+                    [ _type "text/javascript"; _charset "utf-8"]
                     [
                         rawText (InternalUtils.getFullPlotlyJS ())
                     ]

src/Plotly.NET/Globals.fs

@@ -34,6 +34,7 @@ var renderPlotly_[SCRIPTID] = function() {
 };
 if ((typeof(requirejs) !==  typeof(Function)) || (typeof(requirejs.config) !== typeof(Function))) {
     var script = document.createElement("script");
+    script.setAttribute("charset", "utf-8");
     script.setAttribute("src", "https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.6/require.min.js");
     script.onload = function(){
         renderPlotly_[SCRIPTID]();

tests/ConsoleApps/FSharpConsole/Program.fs

@@ -11,22 +11,6 @@ open Newtonsoft.Json
 
 [<EntryPoint>]
 let main argv =
-    Chart.Point(
-        [(0,10);(10,10)],
-        UseDefaults = false
-    )
-    |> Chart.withShape(
-        Shape.init(
-            X0 = 0,
-            X1 = 10,
-            Y0 = 10,
-            Y1 = 10,
-            ShapeType = StyleParam.ShapeType.Line,
-            Label = ShapeLabel.init(
-                TextTemplate = "Here are the values i can access:<br><b>Raw variables (from shape definition):</b><br><br>x0: %{x0}<br>x1: %{x1}<br>y0: %{y0}<br>y1: %{y1}<br><br><b>Calculated variables:</b><br><br>xcenter (calculated as (x0+x1)/2): %{xcenter}<br>ycenter (calculated as (y0+y1)/2): %{ycenter}<br>dx (calculated as x1-x0): %{dx}<br>dy (calculated as y1-y0): %{dy}<br>width (calculated as abs(x1-x0)): %{width}<br>height (calculated as abs(y1-y0)): %{height}<br>length (calculated as sqrt(dx^2+dy^2)) -- for lines only: %{length}<br>slope (calculated as (y1-y0)/(x1-x0)): %{slope}<br>"
-            )
-        )
-    )
-    |> Chart.withSize(1000,1000)
+    Chart.Point3D([1,2,3], UseDefaults=false)
     |> Chart.show
     0