Document tech assets for all workspaces

## Workspaces to cover - [ ] **JMN** — personal infra (partially done: hetzner-dev, github, claude-code, whisper) - [ ] **FAD** — Frostapp Dev (partially done: frostapp-dev domain, railway-fad, fad-q1-2026-budget) - [ ] **MAD** — Madali (domains, hosting, client infra, Railway services) - [ ] **OTF** — Optimified (partially done: mattermost, vaultwarden, umami, n8n, railway) - [ ] **MNX** — MNXVentures (domains, hosting, any shared infra) - [ ] **NSC** — Nut School (domains, hosting, app infra) - [ ] **ULT** — Ultimeyt (if any assets exist) ## For each asset, document - Title, type (server, domain, software, subscription, online account) - Provider, URL, cost, billing cycle - Renewal/expiry date, auto-renew status - Workspace, status