Add Kernel Extension for plotly formatter

.gitignore

@@ -186,4 +186,5 @@ docsrc/tools/FSharp.Formatting.svclog
 docs
 temp/gh-pages
 /src/FSharp.Plotly/TestScript.fsx
-/pkg
+/pkg
+.ionide/

Plotly.NET.sln

@@ -83,6 +83,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".ci", ".ci", "{2461AFBF-6E1
 		.circleci\config.yml = .circleci\config.yml
 	EndProjectSection
 EndProject
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "Plotly.NET.Interactive", "src\Plotly.NET.Interactive\Plotly.NET.Interactive.fsproj", "{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -102,6 +104,12 @@ Global
 		{2C9916F4-817A-4B70-8D83-F48E9A30544F}.Dotnet|Any CPU.Build.0 = Debug|Any CPU
 		{2C9916F4-817A-4B70-8D83-F48E9A30544F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2C9916F4-817A-4B70-8D83-F48E9A30544F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Dotnet|Any CPU.ActiveCfg = Debug|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Dotnet|Any CPU.Build.0 = Debug|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0F135E3B-B0E1-42A9-B180-18C0221DC7B8}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

paket.dependencies

@@ -5,7 +5,7 @@ source https://nuget.org/api/v2
 
 nuget FSharp.Core       >= 4.7
 nuget Newtonsoft.Json   >= 12.0.3
-nuget Argu              
+nuget Argu
 
 nuget System.Runtime.InteropServices.RuntimeInformation >= 4.3.0
 
@@ -14,4 +14,19 @@ source https://nuget.org/api/v2
 source https://ci.appveyor.com/nuget/fsharp-formatting
 
 nuget FSharp.Formatting prerelease
-nuget FSharp.Formatting.CommandTool prerelease
+nuget FSharp.Formatting.CommandTool prerelease
+
+group DotnetInteractive
+# until .NET Interactive is out of beta most packages needed to write extension
+# dont exist in the public repositories - consumers of the nuget shouldn't need this
+source https://api.nuget.org/v3/index.json
+source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json
+source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
+source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json
+source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json
+source https://pkgs.dev.azure.com/dnceng/public/_packaging/MachineLearning/nuget/v3/index.json
+source https://www.powershellgallery.com/api/v2
+
+nuget Microsoft.DotNet.Interactive 1.0.0-beta.20574.9
+nuget Microsoft.DotNet.Interactive.Formatting 1.0.0-beta.20574.9
+nuget Microsoft.DotNet.Interactive.FSharp 1.0.0-beta.20574.9

src/Plotly.NET.Interactive/AssemblyInfo.fs

@@ -0,0 +1,17 @@
+// Auto-Generated by FAKE; do not edit
+namespace System
+open System.Reflection
+
+[<assembly: AssemblyTitleAttribute("Plotly.NET.Interactive")>]
+[<assembly: AssemblyProductAttribute("Plotly.NET")>]
+[<assembly: AssemblyDescriptionAttribute("A F# interactive charting library using plotly.js")>]
+[<assembly: AssemblyVersionAttribute("2.0.0")>]
+[<assembly: AssemblyFileVersionAttribute("2.0.0")>]
+do ()
+
+module internal AssemblyVersionInformation =
+    let [<Literal>] AssemblyTitle = "Plotly.NET.Interactive"
+    let [<Literal>] AssemblyProduct = "Plotly.NET"
+    let [<Literal>] AssemblyDescription = "A F# interactive charting library using plotly.js"
+    let [<Literal>] AssemblyVersion = "2.0.0"
+    let [<Literal>] AssemblyFileVersion = "2.0.0"

src/Plotly.NET.Interactive/Extension.fs

@@ -0,0 +1,29 @@
+namespace Plotly.NET.Interactive
+
+open System.Threading.Tasks
+open Microsoft.DotNet.Interactive
+open Microsoft.DotNet.Interactive.Formatting
+open Plotly.NET.GenericChart
+
+type FormatterKernelExtension() =
+
+    let registerFormatter () =
+        Formatter.Register<GenericChart>
+            ((fun chart writer ->
+                let html = toChartHTML chart
+
+                writer.Write(html)),
+             HtmlFormatter.MimeType)
+
+    interface IKernelExtension with
+        member _.OnLoadAsync _ =
+            registerFormatter ()
+
+            if isNull KernelInvocationContext.Current |> not then
+                let message =
+                    "Added Kernerl Extension including formatters for GenericChart"
+
+                KernelInvocationContext.Current.Display(message, "text/markdown")
+                |> ignore
+
+            Task.CompletedTask