update readme to include ex3 #11

Job	Run time
compile-sketch (arduino:avr:mega, Arduino AVR, - name: arduino:avr source-url: https://download...	49s
compile-sketch (esp32:esp32:esp32thing_plus_c, ESP32 Thing Plus C, - name: esp32:esp32 source-u...	1m 41s
compile-sketch (esp32:esp32:sparkfun_esp32s2_thing_plus, ESP32-S2 Thing Plus, - name: esp32:esp32...	1m 44s
compile-sketch (esp32:esp32:sparkfun_esp32s3_thing_plus, ESP32-S3 Thing Plus, - name: esp32:esp32...	1m 45s
compile-sketch (esp32:esp32:sparkfun_pro_micro_esp32c3, ESP32-C3 Pro Micro, - name: esp32:esp32 ...	1m 43s
compile-sketch (esp32:esp32:sparkfun_esp32c6_thing_plus, ESP32-C6 Thing Plus, - name: esp32:esp32...	1m 37s
compile-sketch (esp8266:esp8266:thingdev, ESP8266 Thing Dev, - name: esp8266:esp8266 source-url...	1m 14s
compile-sketch (rp2040:rp2040:sparkfun_promicrorp2040, SparkFun Pro Micro RP2040, - name: rp2040:...	1m 1s
compile-sketch (rp2040:rp2040:sparkfun_iotredboard_rp2350, SparkFun IoT RedBoard RP2350, - name: ...	1m 14s
compile-sketch (STMicroelectronics:stm32:GenF4, STM32 GenF4, - name: STMicroelectronics:stm32 s...	1m 31s
	14m 19s

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