Add basic Arduino IoT Cloud example #42

Job	Run time
build (ubuntu-latest, examples/arduino-blink)	53s
build (ubuntu-latest, examples/arduino-internal-libs)	54s
build (ubuntu-latest, examples/arduino-uno-r4-led-animation)	37s
build (ubuntu-latest, examples/arduino-wifiscan)	1m 14s
build (ubuntu-latest, examples/cmsis-blink)	36s
build (ubuntu-latest, examples/fsp-blink)	53s
build (ubuntu-latest, examples/fsp-button-isr)	50s
build (windows-latest, examples/arduino-blink)	1m 52s
build (windows-latest, examples/arduino-internal-libs)	2m 15s
build (windows-latest, examples/arduino-uno-r4-led-animation)	1m 36s
build (windows-latest, examples/arduino-wifiscan)	2m 0s
build (windows-latest, examples/cmsis-blink)	1m 22s
build (windows-latest, examples/fsp-blink)	1m 49s
build (windows-latest, examples/fsp-button-isr)	1m 50s
build (macos-latest, examples/arduino-blink)	1m 18s
build (macos-latest, examples/arduino-internal-libs)	2m 0s
build (macos-latest, examples/arduino-uno-r4-led-animation)	45s
build (macos-latest, examples/arduino-wifiscan)	1m 25s
build (macos-latest, examples/cmsis-blink)	51s
build (macos-latest, examples/fsp-blink)	2m 5s
build (macos-latest, examples/fsp-button-isr)	1m 15s
	28m 20s

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