- Add intel_service.py: RSS feed scanner for threat intelligence
Searches CISA, NIST NVD, SANS ISC, BleepingComputer, The Hacker News,
Krebs on Security for mentions of MITRE technique IDs and names
- New intel items stored in intel_items table with URL deduplication
- Techniques with new intel flagged with review_required=True
- Add POST /system/run-intel-scan endpoint (admin only)
- Register weekly intel scan job in APScheduler (every 7 days)
- Audit log records each scan execution with summary stats
- Update README with new endpoint and project structure
