WIP: add acmebot role

Implements configuration of the acmebot package we built. Some TODOs and testing left.

wordpress/defaults/main.yml

@@ -14,3 +14,7 @@ wordpress_dbislocal: true
 wordpress_dbname: "{{ wordpress_name }}"
 wordpress_dbuser: "{{ wordpress_name }}"
 wordpress_dbpassword: ''
+
+# mysql root login password
+# yamllint disable-line rule:line-length
+wordpress_db_password: "{{ lookup('passwordstore', 'db/{{ wordpress_dbhost }}-{{ wordpress_dbtype }} create=true length=20')}}"