Add support for Shelly virtual `boolean` component (#119932)

homeassistant/components/shelly/binary_sensor.py

homeassistant/components/shelly/const.py

homeassistant/components/shelly/coordinator.py

homeassistant/components/shelly/entity.py

homeassistant/components/shelly/manifest.json

homeassistant/components/shelly/switch.py

homeassistant/components/shelly/utils.py

requirements_all.txt

requirements_test_all.txt

tests/components/shelly/__init__.py

tests/components/shelly/test_binary_sensor.py

tests/components/shelly/test_switch.py