Change log for ILLUMIO_CORE

Date Changes
2024-11-14 Enhancement:
- When there is no principal machine data available, then mapped "metadata.event_type" to "GENERIC_EVENT".
- Mapped "uuid","change_type","href","name","hostname" labels to "sec_res.detection_fields"
2024-04-18 Enhancement:
- Enhanced parser to additionally support SYSLOG+CEF log formats.
2024-02-21 Enhancement:
- Enhanced parser to additionally support SYSLOG and SYSLOG+JSON log formats.
2023-03-14 Newly created parser.