rename program_rp2040_uf2.ino to program_rp2_from_sdcard.ino change include SdFat.h to SdFat_Adafruit_Fork.h
- upgrade tool/esp_compress.py with --sd option to generate metadata for use with files on sdcard - add new program_esp32_uart_from_sdcard that tested on metro m4 (and pyportal)