add: RomM 4.5 ROM manager on docker-pm3

- Deployed RomM via Docker on VM 109 (docker-pm3)
- URL: http://10.4.2.202:8998
- ROM library mounted from KavNas:/volume1/Media/Roms
- MariaDB backend for metadata
- Added persistent NFS mount on docker-pm3

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/infrastructure-map.md

@@ -25,6 +25,7 @@
 | Traefik | 10.4.2.10 | LXC 104 on pm2 | Reverse proxy |
 | Home Assistant | 10.4.2.62:8123 | VM 100 on pm1 | Home automation |
 | Frigate | 10.4.2.63:5000 | - | NVR/Camera system |
+| RomM | 10.4.2.202:8998 | Docker on docker-pm3 | ROM manager |
 
 ## Storage