Change log for NASUNI_FILE_SERVICES

Date Changes
2022-08-21 - Mapped "newpath" to "additional.fields".
2022-08-08 Enhancement:
- Added a Grok pattern to handle new SYSLOG logs.
- Added conditonal check for "event_type" "FILE_UNCATEGORIZED".
- Added "event_type" "STATUS_UPDATE"
- Mapped "application" to "target.application".
- Mapped "prin_port" to "principal.port".
- Mapped "host" to "principal.hostname".
- Mapped "proc_id" to "principal.process.pid".
2022-07-07 Newly created parser