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.