Expose Grafana port 3000 for direct access

Adds port mapping 3000:3000 to allow direct access to Grafana
without going through Traefik. This helps with debugging and
provides fallback access if Traefik has issues.

Author: jsprague84

docker-compose.logging.yml

@@ -36,6 +36,8 @@ services:
     image: grafana/grafana:latest
     container_name: grafana
     restart: unless-stopped
+    ports:
+      - "3000:3000"
     environment:
       - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
       - GF_USERS_ALLOW_SIGN_UP=false