v2.11.12: docs: NFC/RFID Hub + Chameleon Ultra stub + Drone wiki page - NFC-RFID.md: restructured as hub page; Chameleon Ultra stub section with @bkbroiler concept credit and ChameleonUltraGUI protocol reference; standalone PN532 CN1 wiring (GPIO8=SCL, GPIO9=SDA) documented - Drone.md: new page covering Drone Detector (passive Remote ID scanner) and Drone Spoof (ASTM F3411 BLE/WiFi synthetic beacon); research use cases and field scenarios for both features - Home.md: updated NFC/RFID entry; added Drone page to nav table Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>