tayga: Add initial recipe for NAT64 userspace daemon

In a IPv4-only home network (also for a IPV4-only ISP link) we need a
NAT64 to have Thread and Matter devices, which are IPv6, connected.

Fixes: https://git.ostc-eu.org/OSTC/planning/core-os/-/issues/175



Signed-off-by: Stefan Schmidt <stefan.schmidt@huawei.com>