config: Enable RomM auto-scanning

- Added ENABLE_SCHEDULED_RESCAN (daily at 3 AM)
- Added ENABLE_RESCAN_ON_FILESYSTEM_CHANGE (5 min delay)
- Updated docker-compose and documentation

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

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

docs/CONFIGURATIONS.md

@@ -399,6 +399,11 @@ services:
       - DB_USER=romm-user
       - DB_PASSWD=55e7720ac5100322678bacf0a7705bf9
       - ROMM_AUTH_SECRET_KEY=05817a5501383c44287fc4079082f9fc0543013f186e61789aa2cc2be58d22e8
+      - HASHEOUS_API_ENABLED=true
+      - ENABLE_SCHEDULED_RESCAN=true
+      - SCHEDULED_RESCAN_CRON=0 3 * * *
+      - ENABLE_RESCAN_ON_FILESYSTEM_CHANGE=true
+      - RESCAN_ON_FILESYSTEM_CHANGE_DELAY=5
     volumes:
       - /mnt/kavnas/Roms/roms:/romm/library
       - /mnt/kavnas/Roms/assets:/romm/assets