Add full NAS service catalog for disaster recovery.

Compose files and configs for postgres, adguard, duckdns, homarr, neo4j,
portainer, remotely, and monitoring; RESTORE.md and sync-from-nas script.
Sanitize pgAdmin secrets; document homelab-command as separate repo.

Co-authored-by: Cursor <cursoragent@cursor.com>

docker/postgres-web/docker-compose.yml

@@ -18,7 +18,7 @@ services:
     environment:
       # Standaard inlog voor de web UI
       - PGADMIN_DEFAULT_EMAIL=mo@el-kadi.nl
-      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_PASSWORD:-WaQTUw2t}
+      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_PASSWORD:?Zet PGADMIN_PASSWORD in .env}
       # Masquerade root URL voor nginx reverse proxy
       - PGADMIN_CONFIG_SERVER_MODE=True
       - PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED=False