Archive note is added to README.md

Signed-off-by: Nandan Hegde <220186393+nandanhegde73@users.noreply.github.com>

Author: nandanhegde73

README.md

@@ -1,3 +1,10 @@
+# Archived Repository
+This repository has been archived and will no longer receive updates.
+It was archived as part of the [Repository Standardization Initiative](https://github.com/chef-boneyard/oss-repo-standardization-2025).
+If you are a Chef customer and need support for this repository, please contact your Chef account team.
+
+---
+
 # pkgutil Cookbook
 
 [![Build Status](https://travis-ci.org/chef-cookbooks/pkgutil.svg?branch=master)](http://travis-ci.org/chef-cookbooks/pkgutil) [![Cookbook Version](https://img.shields.io/cookbook/v/pkgutil.svg)](https://supermarket.chef.io/cookbooks/pkgutil)