nserv: log datetime

[sanderjo]

Description

#707 ... so show date-time of nserv interaction with clients

./nzbget --nserv -d /tmp/spul/
[INFO] Sat Dec 27 17:57:20 2025 NServ 25.5 (Test NNTP server)
[INFO] Press Ctrl+C to quit
[INFO] Sat Dec 27 17:57:20 2025 Listening on port 6791
[INFO] Sat Dec 27 17:57:45 2025 [1] Incoming connection from: 127.0.0.1
[INFO] Sat Dec 27 17:57:45 2025 [2] Incoming connection from: 127.0.0.1
[DETAIL] Sat Dec 27 17:57:45 2025 [2] Received: ARTICLE <test@home>
[DETAIL] Sat Dec 27 17:57:45 2025 [2] Serving: <test@home>
[DETAIL] Sat Dec 27 17:57:45 2025 [2] Received: QUIT
[DETAIL] Sat Dec 27 17:57:45 2025 [2] Closing connection

Lib changes

None

Testing

Manually from a NNTP client

[dnzbk]

@sanderjo I'm going to make a new release next week. Do you want to push your changes before that so I can include them?