Release v1.3.2

Release v1.3.1

Improvements:
- Handle the situation in which the payload size of UF2 blocks is less than one page (256 bytes)

Release v1.3.0

Release v1.2.3

Modify UF2 family ID to as approved by the UF2 project (PY32F071-UVK5-V3)

Update README.md

Add backlight delay

Release v1.2.0

Prepare for release 1.1.0

Fix PTT detection & other improvements

- Detect both side keys
- Turn on flashlight only if enter DFU mode