fix: www.startover.co.kr Traefik 라우팅 추가

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.prod.yml

@@ -79,7 +79,7 @@ services:
       NODE_ENV: production
     labels:
       - "traefik.enable=true"
-      - "traefik.http.routers.web.rule=Host(`startover.co.kr`) && PathPrefix(`/`)"
+      - "traefik.http.routers.web.rule=(Host(`startover.co.kr`) || Host(`www.startover.co.kr`)) && PathPrefix(`/`)"
       - "traefik.http.routers.web.entrypoints=websecure"
       - "traefik.http.routers.web.tls.certresolver=letsencrypt"
       - "traefik.http.routers.web.priority=1"