[mailman3] Apply permissions to the folder /var/lib/mailman3

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

roles/mailman3/tasks/main.yml

@@ -34,6 +34,13 @@
     - mailman-hyperkitty.cfg
   notify: Restart mailman3
 
+- name: Apply permissions to the mailman directory
+  file:
+    path: /var/lib/mailman3
+    state: directory
+    owner: list
+    group: list
+
 # You will need to setup postgres
 # sudo -u postgres createuser -P mailman3web
 # sudo -u postgres createdb -O mailman3web mailman3web