feat: add NIST CSF 2.0 nist_csf field to all 754 cybersecurity skills

Mapped every skill to NIST CSF 2.0 subcategory IDs (GV/ID/PR/DE/RS/RC functions)
based on subdomain and content analysis. Restores 11 skills corrupted during
prior rebase, re-enriching with ATLAS, D3FEND, NIST AI RMF, and CSF 2.0 fields.

All 754 skills now carry structured mappings for all 5 security frameworks:
- MITRE ATT&CK (in tags)
- MITRE ATLAS v5.5 (atlas_techniques)
- MITRE D3FEND v1.3 (d3fend_techniques)
- NIST AI RMF 1.0 (nist_ai_rmf)
- NIST CSF 2.0 (nist_csf)

skills/analyzing-web-server-logs-for-intrusion/SKILL.md

@@ -1,16 +1,23 @@
 ---
 name: analyzing-web-server-logs-for-intrusion
-description: >-
-  Parse Apache and Nginx access logs to detect SQL injection attempts, local file inclusion,
-  directory traversal, web scanner fingerprints, and brute-force patterns. Uses regex-based
-  pattern matching against OWASP attack signatures, GeoIP enrichment for source attribution,
-  and statistical anomaly detection for request frequency and response size outliers.
+description: Parse Apache and Nginx access logs to detect SQL injection attempts, local file inclusion, directory traversal,
+  web scanner fingerprints, and brute-force patterns. Uses regex-based pattern matching against OWASP attack signatures, GeoIP
+  enrichment for source attribution, and statistical anomaly detection for request frequency and response size outliers.
 domain: cybersecurity
 subdomain: security-operations
-tags: [analyzing, web, server, logs]
-version: "1.0"
+tags:
+- analyzing
+- web
+- server
+- logs
+version: '1.0'
 author: mahipal
 license: Apache-2.0
+nist_csf:
+- DE.CM-01
+- RS.MA-01
+- GV.OV-01
+- DE.AE-02
 ---