docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display

- Update ADR count from 44 to 48
- Add adaptive classifier (ADR-048) to Intelligence features
- Add Observatory visualization (ADR-047) and AMOLED display (ADR-045) to Deployment features
- Update screenshot to v2-screen.png
- Add ADR-045 (AMOLED), ADR-046 (Android TV), ADR-047 (Observatory), DDD deployment model
- Add AMOLED display firmware (display_hal, display_task, display_ui, LVGL config)
- Add Observatory UI (13 Three.js modules, CSS, HTML entry point)
- Add trained adaptive model JSON
- Update .gitignore for managed_components, recordings, .swarm

Co-Authored-By: claude-flow <ruv@ruv.net>

.gitignore

@@ -8,6 +8,16 @@ firmware/esp32-csi-node/sdkconfig.defaults
 firmware/esp32-csi-node/sdkconfig.old
 # Downloaded WASM3 source (fetched at configure time)
 firmware/esp32-csi-node/components/wasm3/wasm3-src/
+# ESP-IDF managed components (downloaded at build time)
+firmware/esp32-csi-node/managed_components/
+firmware/esp32-csi-node/dependencies.lock
+firmware/esp32-csi-node/sdkconfig.defaults.bak
+
+# Claude Flow swarm runtime state
+.swarm/
+
+# CSI recordings (local training data, machine-specific)
+rust-port/wifi-densepose-rs/data/recordings/
 
 # NVS partition images and CSVs (contain WiFi credentials)
 nvs.bin