* chore(docs): move root `examples` to `docs/examples/docker` and update README
- Move root `examples/` contents into `docs/examples/docker/`.
- Update `docs/examples/README.md` to add migration note, new `docker/` entry and usage examples.
- Replace references from `examples/` to `docs/examples/docker/` where applicable.
- Reminder: verify CI and external links still point to the correct paths.
* fix
