feat(docs): update documentation for monitoring stack and infrastructure changes

- Update INDEX.md with VM 101 (monitoring-docker) and CT 112 (twingate-connector)
- Update README.md with monitoring and security sections
- Update CLAUDE.md with new architecture patterns
- Update services/README.md with monitoring stack documentation
- Update CLAUDE_STATUS.md with current infrastructure state
- Update infrastructure counts: 10 VMs, 4 Containers
- Update storage stats: PBS 27.43%, Vault 10.88%
- Create comprehensive monitoring/README.md
- Add .gitignore rules for monitoring sensitive files (pve.yml, .env)

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

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

.gitignore

@@ -134,6 +134,11 @@ services/homepage/services.yaml
 # Template files (.template) are tracked for reference
 scripts/fixers/fix_n8n_db_c_locale.sh
 
+# Monitoring Stack Sensitive Files
+# --------------------------------
+# Exclude files containing Proxmox credentials and local paths
+**/pve.yml                         # Proxmox credentials for exporters (NOT templates)
+
 # Custom Exclusions
 # ----------------
 # Add any custom patterns specific to your homelab below: