ESP32

doxygen #322

Job	Run time
Test compiling (esp32:esp32:esp32s3)	3m 34s
Test compiling (esp32:esp32:esp32c3)	4m 33s
lint	11s
Test compiling (esp32:esp32:esp32doit-devkit-v1)	5m 17s
Test compiling (esp32:esp32:esp32s2)	3m 24s
	16m 59s

Provide feedback