Add mergeProfileAllowedIPs function to combine policy destinations with DNS server routes in device enrollment and rotation. Add dnsServerRoute helper to convert DNS server IPs to /32 CIDR notation. Update BuildSyncBundle query to include gateway DNS servers in peer data. Add DNSServers field to wireguard.Peer struct. Update gateway nftables configuration to allow UDP/TCP port 53 traffic from assigned IPs to DNS servers before