feat(content): reposition for security engineer, expand services to 37

Hero subtitle and blurb rewritten to lead with security operations
and homelab credentials over generic "builder" framing.

Projects: archive plAIground, service-monitor, ThoughtSpace (2025);
add open-pact and helm as featured; add risk-ops to archive (2026).
Add statusBadge + externalUrl to Project type; wire golf-book-mobile.

Services: 24 → 37 — split grouped arr/media entries, add mail relay,
gluetun, Home Assistant, Glance, Filebrowser, Prowlarr, Bazarr,
nzbget, qBittorrent, Kavita, Openshelf. Drop Calibre-Web.

Skills: add Go to Languages. Timeline: update monitoring stack.
Homelab ADRs: add Authentik over Authelia.

src/data/timeline.ts

@@ -41,7 +41,7 @@ export const timeline: TimelineEntry[] = [
     date: 'ongoing',
     title: 'Homelab — Proxmox Cluster',
     type: 'homelab',
-    description: '8-VLAN segmented network, Proxmox VMs/LXCs, SSO via Authentik, full monitoring stack (Grafana + Prometheus + Loki).',
+    description: '8-VLAN segmented network, Proxmox VMs/LXCs, SSO via Authentik, full monitoring stack (VictoriaMetrics + Grafana + Beszel + ntfy).',
     tags: ['proxmox', 'networking', 'monitoring', 'sso'],
   },
   {