Update game log regex

[nfreader]

New regex:
\[(\d{4}-\d{2}-\d{2} )?(\d{2}:\d{2}:\d{2})(\.\d{3})?\] ?(\w*): (.*)

Matches HH:MM:SS and (optionally) YYYY-MM-DD at the start and milliseconds at the end of the timestamp.

slimbus/src/Statbus/Controllers/LogsController.php

Line 322 in 3dbd481

if(!preg_match("/\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}.\d{3})] (\w*): (.*)/", $line, $tmp)) continue;