Copy the installer batch files to an Installers folder on the desktop

Adds a -CopyInstallers switch to the Windows 11 configure script and enables
it in Autounattend.xml.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

seediso/windows11/Configure-Windows.ps1

@@ -2,6 +2,7 @@ param(
     [switch]$InstallVirtIO,
     [switch]$EnableAutomaticLogon,
     [switch]$DisableAutoUpdate,
+    [switch]$CopyInstallers,
     [switch]$NoPause
 )
 
@@ -155,6 +156,17 @@ function Disable-AutomaticUpdate {
         -ErrorAction SilentlyContinue | Out-Null
 }
 
+function Copy-InstallerScripts {
+    $scripts = @(Get-ChildItem -Path $PSScriptRoot -Filter '*-Install-*.bat' -File)
+    if ($scripts.Count -eq 0) {
+        throw "No installer batch files were found next to $PSCommandPath."
+    }
+
+    $target = Join-Path ([Environment]::GetFolderPath('Desktop')) 'Installers'
+    New-Item -ItemType Directory -Path $target -Force | Out-Null
+    Copy-Item -Path $scripts.FullName -Destination $target -Force
+}
+
 $exitCode = 0
 try {
     if ($InstallVirtIO) {
@@ -168,6 +180,9 @@ try {
     if ($DisableAutoUpdate) {
         Disable-AutomaticUpdate
     }
+    if ($CopyInstallers) {
+        Copy-InstallerScripts
+    }
     Write-Host 'Done.' -ForegroundColor Green
 }
 catch {