docs: Add project documentation

- README.md: Quick start, API endpoints, ports
- PROJECT.md: Architecture, components, data models
- ROADMAP.md: Version milestones (v0.1.x - v1.0.0)
- TASKS.md: Current sprint tasks
- TODO.md: Backlog items
- docs/INSTALL.md: Setup and deployment
- docs/USAGE.md: API examples
- docs/CHEATSHEET.md: Quick reference

TASKS.md

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+# ESP32-Web Tasks
+
+**Last Updated:** 2026-02-05
+
+## Current Sprint: v0.2.0 — OSINT Features
+
+### P1 - High
+- [ ] Download and parse IEEE OUI database
+- [ ] MAC vendor lookup utility
+- [ ] BLE company_id mapping
+- [ ] `GET /api/v1/devices/<mac>/profile` enriched endpoint
+
+### P2 - Normal
+- [ ] Export endpoints (`/api/v1/export/devices.csv`)
+- [ ] Add vendor field population on device creation
+- [ ] Sensor heartbeat timeout detection
+
+### P3 - Low
+- [ ] Add pagination to all list endpoints
+- [ ] Add OpenAPI/Swagger spec
+- [ ] Add request logging middleware
+
+## Completed: v0.1.1 - Server Management
+
+- [x] Makefile start/stop/restart/status commands
+- [x] Health endpoint with uptime tracking
+- [x] CLI module (esp32-web command)
+- [x] Initial database migration
+- [x] Listen on all interfaces (0.0.0.0:5500)
+
+## Completed: v0.1.0 - Project Scaffold
+
+- [x] Flask app factory pattern
+- [x] SQLAlchemy 2.x models
+- [x] API blueprint with endpoints
+- [x] UDP collector with parsers
+- [x] pytest fixtures and tests
+- [x] Containerfile for podman
+- [x] Makefile for common tasks
+
+## Notes
+
+- Sensors send data to UDP 5500
+- API listens on TCP 5500
+- Commands sent to sensors on UDP 5501
+- SQLite for dev, PostgreSQL for prod