Add defaults middleware in comments for future use

templates/traefik-cm.yml.j2

@@ -15,6 +15,9 @@ data:
       web:
         address: ":8000/tcp"
         http:
+#          middlewares:
+#            - auth@file
+#            - secure_headers@file
           redirections:
             entryPoint:
               to: websecure