Install Stack, GHC and Cabal to Windows Images (#874)

* install stack
* implement logic that gets 3 latest versions of ghc

images/win/scripts/Installers/Validate-Stack.ps1

@@ -0,0 +1,27 @@
+################################################################################
+##  File:  Validate-Stack.ps1
+##  Desc:  Validate Stack for Windows
+################################################################################
+
+if (Get-Command -Name 'stack')
+{
+    Write-Host "stack is on the path"
+}
+else
+{
+    Write-Host "stack is not on path."
+    exit 1
+}
+
+$StackVersion = stack --version --quiet
+
+# Adding description of the software to Markdown
+$SoftwareName = "Stack"
+
+$Description = @"
+_Version:_ $StackVersion<br/>
+_Environment:_
+* PATH: contains location of stack.exe
+"@
+
+Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description