* setup and persist private key
* return dht record spr
* helper to remap multiaddr ip and port
* set/update discovery and announce addrs
* add nat and discovery IPs
* allow for announce and DHT addresses separatelly
* update tests
* check for nat or discoveryIp
* fix integration tests
* misc align
* don't share data dirs and and set bootstrap node
* add log scope
* remap announceAddrs after node start
* simplify discovery initialization
* make nat and disc-ip required
* add log scope don't init dht spr in constructor
* bump dht
* dissallow `0.0.0.0` for `--nat`
Dmitriy Ryajov