docs: rewrite for people running nxdns; query-history refusals name their remedy and a refused start gives no wrong hints

README.md

@@ -80,15 +80,13 @@ On the toolchain versions pinned at the top of `.gitea/workflows/gates.yml`, you
 
 ## Documentation
 
-Start at [docs/README.md](docs/README.md), which splits the documentation into a tutorial, how-to guides, reference and explanation.
+The documentation is published at [nxdns.sh/docs](https://nxdns.sh/docs/). Its source is [docs/](docs/README.md).
 
-- [docs/tutorial/first-run.md](docs/tutorial/first-run.md) — build it, resolve a name, block a domain, on a scratch directory
-- [docs/how-to/install-with-systemd.md](docs/how-to/install-with-systemd.md) — a real install, including the Raspberry Pi 5
+- [docs/tutorial/get-started.md](docs/tutorial/get-started.md) — download it, resolve a name, block a domain, on a scratch directory
+- [docs/how-to/install-with-systemd.md](docs/how-to/install-with-systemd.md) — a real install, including a Raspberry Pi
 - [docs/how-to/verify-a-release.md](docs/how-to/verify-a-release.md) — checking the hashes and the signature before you install
 - [docs/reference/configuration.md](docs/reference/configuration.md) — every configuration field
-- [docs/reference/api.md](docs/reference/api.md) — REST API, auth and SSE
-- [docs/reference/cli.md](docs/reference/cli.md) — subcommands, flags and exit codes
-- [docs/explanation/architecture.md](docs/explanation/architecture.md) — module map and design
+- [docs/reference/cli.md](docs/reference/cli.md) — commands, flags and exit codes
 - [PLAN.md](PLAN.md) and [specs/](specs/) — scope, design decisions and per-milestone contracts
 
 ## Licence