add support to create mailing lists

tasks/list.yml

@@ -0,0 +1,10 @@
+- set_fact:
+    current_list: "{{ {}|combine(mailman.list_defaults, {'name': listname}, mailman.lists[listname], recursive=True) }}"
+
+- name: "setup mailing list ( {{ current_list.name }} )"
+  mailman_list:
+    api_url: "http://{{ mailman.api.hostname }}:{{ mailman.api.port }}/{{ mailman.api.version }}"
+    api_user: "{{ mailman.api.admin.name }}"
+    api_password: "{{ mailman.api.admin.pw }}"
+    name: "{{ current_list.name }}"
+    settings: "{{ current_list.settings }}"