Document environment variables of MacOS images (#2493)

* Document environment variables of MacOS images

* Change adnroid variables

* Apply reviews

* Remove some variables, fix headers

* Show link targets

* rename helper

* remove symlinks

* More links

images/macos/helpers/SoftwareReport.Helpers.psm1

@@ -30,3 +30,22 @@ function New-MDNewLine {
     $newLineSymbol = [System.Environment]::NewLine
     return $newLineSymbol * $Count
 }
+
+function Get-LinkTarget {
+    param (
+        [string] $inputPath
+    )
+    $link = Get-Item $inputPath | Select-Object -ExpandProperty Target
+    if ($link) {
+      return " -> $link"
+    }
+    return ""
+}
+
+function Get-PathWithLink {
+    param (
+        [string] $inputPath
+    )
+    $link = Get-LinkTarget($inputPath)
+    return "${inputPath}${link}"
+}