Change log for CLAROTY_CTD

Date Changes
2024-11-13 - Added Grok patterns to parse the hostname and the IP address from the syslog header and map it to "observer.hostname" and "observer.ip" respectively.
- Added support for unparsed logs.
2024-10-07 - Added support to parse new format of unparsed KV logs.
2024-08-28 - Newly created parser.