Support syslog format

[an-dr]

Concept:

• Should mimic syslog format
• Should be implemented as an extension
• Will require more customizability of the core library

Links:

• https://wiki.elvis.science/index.php?title=Linux_Syslog
• https://github.com/ksstech/syslog
• https://signoz.io/blog/syslog-formats/

Benefits:

• Wireshark support via https://www.wireshark.org/docs/man-pages/text2pcap.html
• Supporting other existing parsers
• Familiar standard

Blocked by #96