- vpn.md: Rewrite WireGuard section to match actual config (single tun_wg0
interface, 10.3.2.0/24 subnet, hub-and-spoke topology, correct device
names and subnets for London/Valchedrym)
- authentik-state.md: Document brute-force-protection policy unbinding fix
that was blocking all unauthenticated users from login flows
[ci skip]