Pi-hole swap: quadlet + env + records + Caddy vhost (retires dnsmasq)
- dankclaw/pihole/: pihole.container (quadlet, slirp4netns, 53+8083),
env.example (ServerIP/TZ/DNS1/DNS2/WEBPASSWORD placeholders), addn-hosts
(moved from dankclaw/dnsmasq/, + pihole.franksdank.cloud record)
- Caddyfile: pihole.franksdank.cloud vhost (family basicauth -> 8083)
- scripts/deploy-pihole-quadlet.sh: idempotent quadlet installer
- tests/pihole.bats replaces tests/dnsmasq.bats (same record validation
+ cross-checks, new quadlet/env seams); retired files in .AGENTTRASH/