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/conducting-memory-forensics-with-volatility/SKILL.md

@@ -1,19 +1,32 @@
 ---
 name: conducting-memory-forensics-with-volatility
-description: >
-  Performs memory forensics analysis using Volatility 3 to extract evidence of
-  malware execution, process injection, network connections, and credential theft
-  from RAM dumps captured during incident response. Covers memory acquisition,
-  process analysis, DLL inspection, and malware detection. Activates for requests
-  involving memory forensics, RAM analysis, Volatility framework, memory dump
-  investigation, volatile evidence analysis, or live memory acquisition.
+description: 'Performs memory forensics analysis using Volatility 3 to extract evidence of malware execution, process injection,
+  network connections, and credential theft from RAM dumps captured during incident response. Covers memory acquisition, process
+  analysis, DLL inspection, and malware detection. Activates for requests involving memory forensics, RAM analysis, Volatility
+  framework, memory dump investigation, volatile evidence analysis, or live memory acquisition.
+
+  '
 domain: cybersecurity
 subdomain: incident-response
-tags: [memory-forensics, volatility, RAM-analysis, process-injection, DFIR]
-mitre_attack: ["T1003", "T1055", "T1620", "T1574"]
+tags:
+- memory-forensics
+- volatility
+- RAM-analysis
+- process-injection
+- DFIR
+mitre_attack:
+- T1003
+- T1055
+- T1620
+- T1574
 version: 1.0.0
 author: mahipal
 license: Apache-2.0
+nist_csf:
+- RS.MA-01
+- RS.MA-02
+- RS.AN-03
+- RC.RP-01
 ---
 
 # Conducting Memory Forensics with Volatility