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/monitoring/prometheus/targets/extra.yml

@@ -0,0 +1,9 @@
+# Voeg hier scrape-targets toe (YAML array van scrape_configs entries wordt NIET ondersteund —
+# dit bestand is voor **file_sd** formaat: lijst van static_configs targets).
+#
+# Voorbeeld Proxmox (prometheus-pve-exporter op host of VM):
+# - targets:
+#     - '192.168.1.10:9221'
+#   labels:
+#     instance: pve
+[]