Change log for THREATX_WAF

Date	Changes
2025-01-28	- Mapped dst_domain to target.hostname and target.assest.hostname. - Defined version, severity, and priority fields in statedata. - Mapped rule.id, rule.description, rule.classification, rule.state, rule.contrib_score, rule.beta, and rule.blocking to security_result.detection_fields. - Mapped action, tenant_name, random_id, cookie, js_fingerprint, content_type, postblock_event, ssl, content_length, count, upstream_response_time, upstream_response_time, and response_length to additional.fields. - Mapped risk to security_result.risk_score. - Mapped rule.description to metadata.description. - Added a new Grok pattern to map msg1 to principal.url. - Mapped username to target.hostname and target.assest.hostname. - Mapped old_value and new_value to additional.fields.
2024-10-14	Newly created parser.