test: Configure Molecule testing framework

- Add Ansible collections configuration
- Update converge and prepare playbooks
- Restructure molecule.yml for improved testing

molecule/default/collections.yml

@@ -0,0 +1,7 @@
+---
+collections:
+  - name: ansible.utils
+  - name: ansible.posix
+  - name: community.crypto
+  - name: community.general
+