Add shared paginate() helper with total count to all list endpoints.
Add request logging middleware (method, path, status, duration, IP).
Add data retention service with configurable thresholds and CLI command.
- Add start/stop/restart/status commands to Makefile
- Add health endpoint with uptime tracking
- Add CLI module (esp32-web command)
- Add initial database migration
- Listen on all interfaces (0.0.0.0:5500)
Bump version to 0.1.1