* feat: add homelab config skills (VLAN, Pi-hole, WireGuard)
Adds three homelab configuration skills, extracted from the stale PR #1413
with the same safety treatment applied to the previously accepted batch:
- homelab-vlan-segmentation: IoT/guest/trusted/server VLAN design for UniFi,
pfSense/OPNsense, and MikroTik. All firewall rules add isolation, not remove
protections. Added change-window guidance and AP trunk port clarification.
- homelab-pihole-dns: Pi-hole install, blocklists, DNS-over-HTTPS, local DNS
records, troubleshooting. Docker is now the lead install method; bare-metal
uses inspect-first pattern before running the installer script.
- homelab-wireguard-vpn: WireGuard server, peer config, split tunnel, DDNS.
Replaced broad iptables FORWARD ACCEPT with scoped directional rules
(wg0→eth0 forward + established return only). Credentials moved to env
files with explicit notes against inline secrets and version control.
Continues the contribution from PR #1413; the eight skills/agents from
that PR are already in main via #1729 and #1731.
* docs: harden homelab skill pack
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Co-authored-by: Affaan Mustafa <affaan@dcube.ai>