Add README and operator checklist for Hetzner + Cloudflare + Gitea setup

README.md

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+# cameleer-website
+
+Marketing site for [cameleer.io](https://www.cameleer.io) — zero-code observability for Apache Camel.
+
+This is a **static** Astro 5 site. Hosted on Hetzner Webhosting L, fronted by Cloudflare, deployed via Gitea Actions.
+
+## Development
+
+```bash
+npm ci
+npm run dev       # http://localhost:4321
+npm run test      # vitest — auth config + middleware header tests
+npm run build     # produces dist/
+npm run preview   # serves dist/
+```
+
+## Quality gates (run in CI)
+
+```bash
+npm run lint:html     # html-validate on dist/
+npm run lint:links    # linkinator on dist/
+npm run lh            # Lighthouse CI (>=0.95 on all 4 categories)
+```
+
+## Environment variables
+
+See `.env.example`. All are `PUBLIC_*` (build-time, embedded in HTML).
+
+| Var | Purpose |
+|-----|---------|
+| `PUBLIC_AUTH_SIGNIN_URL` | Logto sign-in URL (redirected to by "Sign in" buttons) |
+| `PUBLIC_AUTH_SIGNUP_URL` | Logto sign-up URL (redirected to by "Start free trial") |
+| `PUBLIC_SALES_EMAIL` | Sales email (`mailto:` target for "Talk to sales") |
+
+## Deployment
+
+Push to `main` → Gitea Actions runs tests, builds, lints, then `rsync`s `dist/` to Hetzner over SSH (ed25519 key, host-key-pinned). Rollback is `git revert && git push`.
+
+See [`OPERATOR-CHECKLIST.md`](./OPERATOR-CHECKLIST.md) for the one-time Hetzner + Cloudflare setup.
+
+## Design & plan
+
+- `docs/superpowers/specs/2026-04-24-cameleer-website-design.md` — the approved spec.
+- `docs/superpowers/plans/2026-04-24-cameleer-website.md` — the implementation plan that built this repo.