add list handling for ini values

roles/icingaweb2/templates/ini_template.j2

@@ -5,6 +5,7 @@
 {% for option, value in options.items() %}
 {% if value is iterable and (value is not string and value is not mapping) %}
 {{ option }} = "{{ value | join(', ') }}"
+{% elif value is string and "=" in value %}
 {% else %}
 {{ option }} = {{ value }}
 {% endif %}