test: Configure Molecule testing framework

- Add comprehensive converge playbook with test scenarios
- Create Molecule configuration for role testing
- Set up verification tasks

molecule/default/verify.yml

@@ -0,0 +1,10 @@
+---
+# This is an example playbook to execute Ansible tests.
+
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+  - name: Example assertion
+    ansible.builtin.assert:
+      that: true