chore(env): update PLAYOUT_PORT to 8081 and normalize line endings

.env.example

@@ -49,9 +49,10 @@ DATABASE_URL=postgres://linearvoid:linearvoid@db:5432/linearvoid?sslmode=disable
 REDIS_URL=redis://redis:6379/0
 
 # Service Ports (for local docker-compose)
+# Coolify env: 80/443 (Traefik proxy), 8000 (dashboard/Portainer), 8080 taken.
 PLAYOUT_PORT=8081
 CHAT_PORT=3000
-NGINX_PORT=80
+NGINX_PORT=8082
 
 # Playout configuration
 PLAYLIST_PATH=/app/playlist/playlist.txt