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/detecting-sql-injection-via-waf-logs/SKILL.md

@@ -1,17 +1,23 @@
 ---
 name: detecting-sql-injection-via-waf-logs
-description: >-
-  Analyze WAF (ModSecurity/AWS WAF/Cloudflare) logs to detect SQL injection
-  attack campaigns. Parses ModSecurity audit logs and JSON WAF event logs to
-  identify SQLi patterns (UNION SELECT, OR 1=1, SLEEP(), BENCHMARK()), tracks
-  attack sources, correlates multi-stage injection attempts, and generates
-  incident reports with OWASP classification.
+description: Analyze WAF (ModSecurity/AWS WAF/Cloudflare) logs to detect SQL injection attack campaigns. Parses ModSecurity
+  audit logs and JSON WAF event logs to identify SQLi patterns (UNION SELECT, OR 1=1, SLEEP(), BENCHMARK()), tracks attack
+  sources, correlates multi-stage injection attempts, and generates incident reports with OWASP classification.
 domain: cybersecurity
 subdomain: security-operations
-tags: [detecting, sql, injection, via]
-version: "1.0"
+tags:
+- detecting
+- sql
+- injection
+- via
+version: '1.0'
 author: mahipal
 license: Apache-2.0
+nist_csf:
+- DE.CM-01
+- RS.MA-01
+- GV.OV-01
+- DE.AE-02
 ---