Better error messages for flashing on ESP32

[scorpi11]

Is your feature request related to a problem? Please describe.
I tried to flash an ESP32 device. It failed and only got the message that I should reconnect the device via USB.

Describe the solution you'd like
I want to see what exactly went wrong, what error message was returned by the shell script and what parameters are provided.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[beckmx]

You need to get familiar with flashing directly with esptool, rather than using the option directly on the app

[naxiemolv]

try para -s
./flash_esp32.sh -p {{your port}} "{{your key}}" -s