Housekeeping;Add prereq module installation

scripts/Install-Prerequisites.ps1

@@ -0,0 +1,40 @@
+[CmdletBinding()]
+Param(
+    # No parameters
+)
+
+$RequiredPSModules = @(
+    'ntobjectmanager'   # Provides cmdlet 'Set-ExecutionAlias'
+)
+
+$InstallPackageProviderSplat = @{
+    Name               = 'NuGet'
+    MinimumVersion     = '2.8.5.201'
+    Force              = $True
+    Confirm            = $False
+}
+Install-PackageProvider @InstallPackageProviderSplat
+$SetPSRepositorySplat = @{
+    Name               = 'PSGallery'
+    InstallationPolicy = 'Trusted'
+}
+Set-PSRepository @SetPSRepositorySplat
+$InstallModuleSplat = @{
+    Name               = $RequiredPSModules
+    Force              = $True
+    Confirm            = $False
+}
+Install-Module @InstallModuleSplat
+$SetPSRepositorySplat = @{
+    Name               = 'PSGallery'
+    InstallationPolicy = 'Untrusted'
+}
+Set-PSRepository @SetPSRepositorySplat
+
+# Double check whether the required PowerShell modules are available
+ForEach ($Module in $RequiredPSModules) {
+    If ([boolean](Get-Module -Name $Module -ListAvailable) -ne $True) {
+        Write-Error -Message "Missing PowerShell module '$($Module)'"
+        Exit 1
+    }
+}

scripts/Install-WinGet.ps1

@@ -1,3 +1,4 @@
+#Requires -Modules 'NtObjectManager'
 [CmdletBinding()]
 Param(
     # None