Integrates the Cloudflare Tunnel daemon (cloudflared) into OPNsense,
allowing self-hosted services to be exposed through Cloudflare Zero Trust
without requiring inbound firewall rules or a public IP address.

WWW: https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/

Inspired by original work by Alan Martines <alancpmartines@hotmail.com>.
