0.0.4

This release provides:

• Web-based UI (can be used as a home-screen web-app (PWA) on IOS)
• C++ audio monitor for USB audio input with clock-drift compensation and parametric EQ
• Output via owntone to AirPlay and AirPlay 2 speakers (owntone-mini installed by default)
• Turntable stylus hours tracking
• Per-input equaliser (40Hz, Bass, Treble)
• Simple updates via the web UI
• WiFi hotspot based recovery/first-boot UI