After this commit, a new network may be added by changing 4 lines:
- increment the value of `m_networks_size`
- add the network name to `m_networks`
- add the network name to this line: `result += " ipv4 ipv6 onion total block-relay\n";`
- add "counts.at(i).at(<m_networks pos>)" to this line: `result += strprintf("%-5s %5i %5i %5i %5i %5i\n...`
This is a backport of core#20002 [5/5]
https://github.com/bitcoin/bitcoin/pull/20002/commits/6272604bef3b409455b010d134b4b62c8f6ff49f
Depends on D10505