Change log for BARRACUDA_WAF

Date	Changes
2024-09-25	Enhancement: - Added support for a new pattern of SYSLOG logs.
2024-09-05	Enhancement: - Added support for a new pattern of SYSLOG logs.
2023-07-19	Bug-Fix: -Parsed uparsed raw logs using a Grok pattern. -Mapped 'server' to 'target.ip'.
2022-09-09	Enhancement: Created a default parser and Migrated the custom parsers into default parser. The following fields are mapped: - 'duser' mapped to 'target.user.user_display_name'. - 'suser' mapped to '.principal.user.user_display_name'. - 'suid' mapped to 'principal.user.userid'. - 'src' mapped to 'principal.ip'. - 'dst' mapped to 'target.ip'. - 'shost' mapped to 'principal.hostname'. - 'severity' mapped to 'security_result.severity'. - 'action' mapped to 'security_result.action'. - 'user_name' mapped to 'target.user.userid'. - 'domain_name' mapped to 'target.domain.name'. - 'mac_address' mapped to 'principal.mac'. - 'direction' mapped to 'network.direction'. - 'ip_protocol' mapped to 'network.ip_protocol'. - 'summary' mapped to 'security_result.summary'.