enabling oauth for heimdall (fixes v4)

network/docker-compose.yml

@@ -31,6 +31,7 @@ services:
       - traefik.http.routers.auth.entrypoints=websecure
       - traefik.http.routers.auth.tls=true
       - traefik.http.routers.auth.tls.domains[0].main=auth.playne.au
+      - traefik.http.routers.auth.tls.domains[0].sans=*.auth.playne.au
       - traefik.http.routers.auth.tls.certresolver=le
       - traefik.http.routers.auth.service=auth@docker
       - traefik.http.services.auth.loadbalancer.server.port=4181