fix(authelia): handle IP vs domain for authelia_url config

- IP address: use https://IP:9091 instead of invalid https://auth.IP
- Domain: keep https://auth.DOMAIN as before
- Improve completion message with actual URL hint

Closes #11117

ct/authelia.sh

@@ -45,4 +45,4 @@ description
 msg_ok "Completed successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}https://YOUR_AUTHELIA_URL${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:9091 or https://auth.YOURDOMAIN ${CL}"