Tasks

Essential:

Pi bringup, Linux installation
Auto-login, starting browser/webview in kiosk mode
Backend server infrastructure (HTTP server for static pages, RPC service, eventing)
Main GUI framework (basic Angular+Material application, build system)
Home screen, app list
Button panel service (GPIOs, interrupt-driven)
Face recognition service (scan images from camera, raise event when recognizing user)
Coffee consumption statistics (backend and frontend)
Calendar (backend and frontend, ical reader?)