Add a script for rebooting the computer

scripts/Windows/Scripts/PowerManagement.ps1

@@ -0,0 +1,48 @@
+using namespace Microsoft.Win32;
+. "$PSScriptRoot/Scripting.ps1";
+
+$null = New-Module {
+    [RegistryKey] $key = $null;
+    $runOncePath = "HKLM:\Software\Microsoft\Windows\CurrentVersion\RunOnce";
+
+    <#
+        .SYNOPSIS
+        Gets the reghistry key containing the `RunOnce` commands.
+    #>
+    function Get-RunOnceKey {
+        Get-Item $runOncePath;
+    }
+
+    <#
+        .SYNOPSIS
+        Registers a task to run the setup once after the next reboot.
+
+        .PARAMETER UserKey
+        The regtistry key of the user to register the task for.
+    #>
+    function Register-Setup {
+        param(
+            [RegistryKey] $UserKey
+        )
+
+        $key = Get-RunOnceKey $UserKey;
+
+        Set-ItemProperty -Path $key.PSPath -Name $runOnceName -Type "ExpandString" -Value `
+            "pwsh -Command " + `
+            "`$env:PWSH_PATH = $(ConvertTo-Injection $env:PWSH_PATH);" + `
+            "`$env:INSTALLER_SCRIPT = $(ConvertTo-Injection $env:INSTALLER_SCRIPT);" + `
+            "`$env:CONFIG_MODULE = $(ConvertTo-Injection $env:CONFIG_MODULE);" + `
+            "& `$env:INSTALLER_SCRIPT;";
+
+        $key.Handle.Close();
+    }
+
+    <#
+        .SYNOPSIS
+        Reboots the machine intermediately and restarts the setup after the next login.
+    #>
+    function Restart-Intermediate {
+        Register-Setup;
+        Restart-Computer;
+    }
+}