Add deprecation notice

Signed-off-by: Norman Ziegner <[email protected]>

README.md

@@ -7,6 +7,13 @@ SPDX-License-Identifier: Apache-2.0
 
 # Netplan Role
 
+:warning: **This project is archived!** :warning:
+
+This role has been migrated to our `hifis.toolkit` collection:
+
+- <https://github.com/hifis-net/ansible-collection-toolkit>
+- <https://galaxy.ansible.com/ui/repo/published/hifis/toolkit/>
+
 [![CI Status](https://github.com/hifis-net/ansible-role-netplan/actions/workflows/ci.yml/badge.svg)](https://github.com/hifis-net/ansible-role-haproxy/actions/workflows/ci.yml)
 [![Ansible Role: hifis.netplan](https://img.shields.io/badge/role-hifis.netplan-blue)](https://galaxy.ansible.com/ui/standalone/roles/hifis/netplan/)
 [![Ansible Role Downloads](https://img.shields.io/ansible/role/d/hifis/netplan)](https://galaxy.ansible.com/ui/standalone/roles/hifis/netplan/)

tasks/main.yml

@@ -5,6 +5,10 @@
 
 ---
 
+- name: Deprecation notice.
+  ansible.builtin.debug:
+    msg: "DEPRECATION NOTICE: This role has been migrated to the hifis.toolkit collection (https://github.com/hifis-net/ansible-collection-toolkit)."
+
 - name: Check whether network configurations are given.
   ansible.builtin.assert:
     that: