Install AWS SAM CLI on Windows images (#737)

* Add AWS SAM

* Change utility name to upper case

Co-authored-by: Sergey Dolin <v-sedoli@micorosoft.com>

images/win/scripts/Installers/Validate-AWS-SAM.ps1

@@ -0,0 +1,27 @@
+################################################################################
+##  File:  Validate-AWS-SAM.ps1
+##  Desc:  Validate aws sam cli
+################################################################################
+
+$command = Get-Command -Name 'sam'
+
+if ($command)
+{
+    Write-Host "AWS SAM CLI on path"
+}
+else
+{
+    Write-Host 'AWS SAM CLI is not on path'
+    exit 1
+}
+
+# Adding description of the software to Markdown
+$SoftwareName = "AWS SAM CLI"
+
+$version = (sam --version).Split(" ")[3]
+
+$Description = @"
+_Version:_ $version<br/>
+"@
+
+Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description