Change log for NASUNI_FILE_SERVICES

Date Changes
2025-03-24 - Added support for csv format.
- event.idm.read_only_udm.section_result.action_details: Newly mapped action raw log field with event.idm.read_only_udm.section_result.action_details UDM field.
- event.idm.read_only_udm.target.user.group_identifiers: Newly mapped group_identifiers raw log field with event.idm.read_only_udm.target.user.group_identifiers UDM field.
- event.idm.read_only_udm.metadata.event_timestamp: Newly mapped event_timestamp raw log field with event.idm.read_only_udm.metadata.event_timestamp UDM field.
- event.idm.read_only_udm.principal.asset.ip: Newly mapped ipaddr raw log field with event.idm.read_only_udm.principal.asset.ip UDM field.
- event.idm.read_only_udm.principal.asset.hostname: Newly mapped host raw log field with event.idm.read_only_udm.principal.asset.hostname UDM field.
- Added grok pattern in order to map ipaddr raw log field with event.idm.read_only_udm.principal.ip and event.idm.read_only_udm.principal.asset.ip UDM fields only if it is a valid IP.
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