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/deobfuscating-javascript-malware/SKILL.md

@@ -1,17 +1,27 @@
 ---
 name: deobfuscating-javascript-malware
-description: >
-  Deobfuscates malicious JavaScript code used in web-based attacks, phishing pages, and
-  dropper scripts by reversing encoding layers, eval chains, string manipulation, and
-  control flow obfuscation to reveal the original malicious logic. Activates for requests
-  involving JavaScript malware analysis, script deobfuscation, web skimmer analysis, or
-  obfuscated dropper investigation.
+description: 'Deobfuscates malicious JavaScript code used in web-based attacks, phishing pages, and dropper scripts by reversing
+  encoding layers, eval chains, string manipulation, and control flow obfuscation to reveal the original malicious logic.
+  Activates for requests involving JavaScript malware analysis, script deobfuscation, web skimmer analysis, or obfuscated
+  dropper investigation.
+
+  '
 domain: cybersecurity
 subdomain: malware-analysis
-tags: [malware, JavaScript, deobfuscation, web-malware, script-analysis]
+tags:
+- malware
+- JavaScript
+- deobfuscation
+- web-malware
+- script-analysis
 version: 1.0.0
 author: mahipal
 license: Apache-2.0
+nist_csf:
+- DE.AE-02
+- RS.AN-03
+- ID.RA-01
+- DE.CM-01
 ---
 
 # Deobfuscating JavaScript Malware