v0.3.0 beta1

✨ Remember latest connected device
✨ Auto switching layout via current using app on Windows/macOS/Linux (desktop app WIP)
✨ Output Locking Mode: For demonstration purpose or layout check
✨ Caffeinated Mode: Keeps keyboard awake
✨ Screen Inverted Mode: Manually turn on to reduce OLED burn-in issue
✨ Able to turn off the screen manually, and use LED to show keyboard state
✨ Support for Rotary Extension Board v1 (hot-swapping)
✨ Screen sleep feature will turn on after idling for 5 minutes
✨ Tap-Toggle Fn key support
🔧 New combined config file
🔧 Extend idle deep sleep trigger to 30 minutes
🔧 Relicence to GPL-v3
🐛 Minor bugs fix