Add comprehensive docstrings to firewall, DHCP, proxy, wireguard, certs,
and logs API endpoints. Document parameters, return values, and error cases
for the documentation system.
- Add daemon/ module with aiohttp server, sync client, and handler registry
- Add daemon/handlers/ for privileged operations (acme, dnsmasq, firewall, logs, nginx, wireguard)
- Add system/acme-deploy.py, vacuum-walld sudoers and systemd service
- Update API routes to use daemon client instead of lib/ directly
- Update lib/, tests/, and webui/ for new architecture
- Update docs and deployment scripts
mteehan