todo

- multiple LUNs
- configurable:
  - async writes
  - name of disk-image on SD card

- leds stay on

- in libiscsi test-set:
        [SKIPPED] Not an iSCSI device. Skipping test
        [SKIPPED] Not an iSCSI device. Skipping test
  what is this?

- https://mibbrowser.online/mibdb_search.php?mib=SCSI-MIB

- https://stackoverflow.com/questions/15944254/physical-disk-block-size-on-posix-using-c-c

----------

- https://stackoverflow.com/questions/60486774/how-to-generate-html-reports-of-coverage-information-using-gcov

versie updaten:
> CMakeLists.txt
> microcontrollers/platformio.ini
> microcontrollers/RP2040W/platformio.ini
> debian/changelog
> iesp.spec
> git tag