Add feature to decode backtrace.

See [comment][1].

Do not forget to build in debug-mode. For example in PlatformIO IDE, select as project task 'Advanced' → 'Pre-Debug'. See also [here][2].

To decode backtraces from the Wokwi serial monitor, one can use [this python script][3].

[1]: platformio/platform-espressif32#105 (comment)
[2]: https://docs.platformio.org/en/latest/projectconf/build_configurations.html#build-configurations
[3]: https://github.com/me21/EspArduinoExceptionDecoder

Author: dhebbeker

platformio.ini

@@ -35,6 +35,7 @@ lib_deps =
 
 ;general serial monitor baud rate
 monitor_speed = 115200
+monitor_filters = esp32_exception_decoder
 
 [env:native]
 platform = native