Improvements to "Reset the Arduino bootloader on the Nano ESP32" [HC-1612]

[seaxwi]

Document bootloader mode option and clarify some steps based on article feedback

[Renat0Ribeir0]

Looks good! Left some minor suggestions. Also, since it is mentioned that this process works in Arduino IDE and Cloud Editor ("3. Select Arduino Nano ESP32 in Arduino IDE or the Cloud Editor."), the intro should be updated.

[seaxwi]

since it is mentioned that this process works in Arduino IDE and Cloud Editor ("3. Select Arduino Nano ESP32 in Arduino IDE or the Cloud Editor."), the intro should be updated.

@Renat0Ribeir0 Good point! Programmer selection is not available in the Cloud Editor, but that's only needed for the option 2. I have made some adjustmens in e568360