Change log for ARCHER_IRM

Date Changes
2024-08-27 Enhancement:
- Mapped "file_name" to "target.file.full_path".
- Mapped "Downloaded_By" to "principal.user.user_display_name".
- Mapped "Downloaded_By_UserName" to "principal.user.email_addresses".
2024-07-29 - Mapped "security_event_name" to "security_result.description".
- Mapped "target_group" to "target.group.group_display_name".
2022-05-29 Added support for new logs.
2022-05-04 Newly created parser.