Move "latest" F# to 2.2

Author: Chuxel

.gitignore

@@ -6,6 +6,7 @@ Thumbs.db
 *.out
 *.class
 *.tgz
+**/.ionide
 
 containers-readmes
 

containers/dotnetcore-latest-fsharp/.devcontainer/Dockerfile renamed to containers/dotnetcore-2.2-fsharp/.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM mcr.microsoft.com/dotnet/core/sdk:latest
+FROM mcr.microsoft.com/dotnet/core/sdk:2.2
 
 # Avoid warnings by switching to noninteractive
 ENV DEBIAN_FRONTEND=noninteractive

containers/dotnetcore-latest-fsharp/.devcontainer/devcontainer.json renamed to containers/dotnetcore-2.2-fsharp/.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-	"name": "F# (.NET Core Latest)",
+	"name": "F# (.NET Core 2.2)",
 	"dockerFile": "Dockerfile",
 
 	// Use 'settings' to set *default* container specific settings.json values on container create. 

containers/dotnetcore-latest-fsharp/.npmignore renamed to containers/dotnetcore-2.2-fsharp/.npmignore

@@ -2,3 +2,4 @@ README.md
 test-project
 .vscode
 .npmignore
+.ionide