Create common pwsh installation script

scripts/Common/Config/Oh My Posh/install.ps1

@@ -0,0 +1,12 @@
+#!/bin/pwsh
+. "$PSScriptRoot/../powershell/lib.ps1";
+
+Add-PowerShellProfileStatement `
+    -Category "oh-my-posh" `
+    -Statement $(
+        @(
+            "# Oh My Posh!",
+            $(Get-ScriptInitializer "oh-my-posh init pwsh"),
+            $(Get-ScriptInitializer "oh-my-posh completion powershell")
+        ) -join [System.Environment]::NewLine
+    )

scripts/Windows/Config/Oh My Posh/Install.ps1

@@ -1,17 +0,0 @@
-#!/bin/pwsh
-param($context)
-. "$PSScriptRoot/../../Scripts/Context.ps1";
-
-[Context] $context = $context;
-Write-Host "Configuring Oh My Posh!";
-
-$createInvokation = {
-    param($initializer)
-    return ". ([scriptblock]::Create(($initializer) -join `"``n`"))";
-}
-
-$context.AddPowerShellProfileStatement(
-    "999_Oh My Posh",
-    [string[]]@(
-        $createInvokation.Invoke("oh-my-posh init pwsh"),
-        $createInvokation.Invoke("oh-my-posh completion powershell")) -join [System.Environment]::NewLine);

scripts/Windows/Software/Oh My Posh/Install.ps1

@@ -4,4 +4,4 @@ param($context);
 
 [Context] $context = $context;
 winget install --accept-source-agreements --accept-package-agreements -s winget --scope machine -e --id JanDeDobbeleer.OhMyPosh;
-. "$PSScriptRoot/../../Config/Oh My Posh/Install.ps1" $context;
+. "$PSScriptRoot/../../../Common/Config/Oh My Posh/install.ps1";