feat: add drawio instance for nextcloud and opencloud

Signed-off-by: Bert-Jan Fikse <bert-jan@whatwedo.ch>

inventories/vagrant/host_vars/backend/traefik.yml

@@ -28,6 +28,10 @@ traefik_dmz_exposed_services:
     domain: opencloud.local.test
     port: 443
     protocol: https
+  - name: drawio
+    domain: drawio.local.test
+    port: 443
+    protocol: https
   # Example: Add more services as you deploy them
   # - name: forgejo
   #   domain: git.example.com