- Makefile: add make patch|minor|major (tag + push), dist-build, completions,
and rpm/rpm-package targets.
- packaging/nfpm.yaml + scripts/build-rpm.sh: package the tomswall binary with
bash/zsh completions, the example config, and a systemd agent unit into an RPM.
- packaging/tomswall-agent.service + agent.env: run `tomswall agent` as a
systemd service (CAP_NET_ADMIN/CAP_NET_RAW), configured via /etc/tomswall/agent.env.
- .woodpecker/release.yaml: on v* tag, test -> build -> package RPM -> PUT to the
artifactapi rpm-internal repo. Matches node-lookup conventions.