refactor ♻️: Update setupacdc.yml to use localhost for hostnames and install 'proxmoxer' Python library on the control node.

Refactored the setupacdc.yml playbook to use localhost for hostnames and added a task to install the 'proxmoxer' Python library on the control node. This change ensures that the playbook is more portable and easier to manage.

tasks/setupacdc.yml

@@ -1,4 +1,14 @@
-- hosts: "node0"
+- hosts: localhost
+  tasks:
+
+  - name: Install 'proxmoxer' Python library on the control node
+    ansible.builtin.pip:
+      name: proxmoxer
+      state: present
+    delegate_to: localhost
+    become: yes  # Required if installing to the system Python environment
+
+- hosts: node0
   gather_facts: yes
   vars:
     addc_hostname: "DC1"