Add logging directory

tasks/main.yml

@@ -35,6 +35,14 @@
   notify:
     - reload matterbridge
 
+- name: ensure logging directory is present
+  file:
+    path: "/var/log/matterbridge"
+    state: directory
+    owner: nobody
+    group: nogroup
+  when: "instance_name is defined"
+
 - name: ensure matterbridge is running
   service:
     name: matterbridge