Add headless macOS CLI workflow

Start-HeadlessIntune.ps1

@@ -0,0 +1,74 @@
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory = $true)]
+    [ValidateSet("Export","Import")]
+    [string]$Action,
+
+    [Parameter(Mandatory = $true)]
+    [string]$TenantId,
+
+    [Parameter(Mandatory = $true)]
+    [string]$AppId,
+
+    [string]$Secret,
+
+    [string]$Certificate,
+
+    [string]$SettingsFile,
+
+    [string]$BatchFile,
+
+    [string]$NameFilter = "",
+
+    [string[]]$ObjectTypes,
+
+    [string]$ExportPath,
+
+    [string]$ImportPath,
+
+    [ValidateSet("alwaysImport","skipIfExist","replace","replace_with_assignments","update")]
+    [string]$ImportType = "alwaysImport",
+
+    [switch]$IncludeAssignments,
+
+    [switch]$AddCompanyName,
+
+    [switch]$IncludeScopeTags,
+
+    [switch]$ReplaceDependencyIds
+)
+
+$modulePath = Join-Path $PSScriptRoot "Headless/IntuneManagement.Headless.psd1"
+Import-Module $modulePath -Force
+
+$invokeParams = @{
+    Action = $Action
+    TenantId = $TenantId
+    AppId = $AppId
+    SettingsFile = $SettingsFile
+    BatchFile = $BatchFile
+    NameFilter = $NameFilter
+    ExportPath = $ExportPath
+    ImportPath = $ImportPath
+    ImportType = $ImportType
+    IncludeAssignments = $IncludeAssignments
+    AddCompanyName = $AddCompanyName
+    IncludeScopeTags = $IncludeScopeTags
+    ReplaceDependencyIds = $ReplaceDependencyIds
+}
+
+if($PSBoundParameters.ContainsKey("ObjectTypes"))
+{
+    $invokeParams.ObjectTypes = $ObjectTypes
+}
+
+if($Secret)
+{
+    $invokeParams.Secret = $Secret
+}
+elseif($Certificate)
+{
+    $invokeParams.Certificate = $Certificate
+}
+
+Invoke-IntunePolicyAction @invokeParams