create molecule scenario and adapt role

tasks/main.yml

@@ -1,9 +1,14 @@
 - name: Install ACME dependencies
-  apt:
+  package:
     name: python3-acme
     state: present
   tags: acme_install
 
+- name: Install SSL dependencies
+  package:
+    name: ssl-cert
+    state: present
+
 - name: Create Let's Encrypt config directories
   file:
     path: "{{ config_dir }}"