Import friwall role from network ansible scripts

To reuse alpine and nginx roles. Probably going to merge repos at some point.

inventory.yml

@@ -11,7 +11,8 @@ device_query_filters:
 query_filters:
   - tenant: 'fri-it'
   - role: 'compute-node'
-  - role: 'storage-node'
+  - role: 'firewall'
   - role: 'server'
+  - role: 'storage-node'
 group_by:
   - cluster