Change log for MISP_IOC

Date Changes
2024-09-05 Enhancement:
- Added support to parse unparsed logs.
2023-09-26 Enhancement:
- Mapped "published", "Feed.publish", "Org.name", "Attribute.id", "Attribute.event_id", "Attribute.to_ids", "Attribute.timestamp", "Attribute.comment", "Attribute.deleted", "Attribute.first_seen", all "tag.names" to "threat.detection_fields".
2023-08-17 Bug-Fix :
- Added a condition to perform a 'gsub' operation, that removes extra back-slash, only when log is not JSON.
2023-07-20 Bug-Fix :
- Changed 'metadata.entity_type' to 'MUTEX' when log is of type mutex.
2023-07-04 Newly created parser.