Add FireServiceRota/BrandweerRooster integration (#38206)

.coveragerc

CODEOWNERS

homeassistant/components/fireservicerota/__init__.py

homeassistant/components/fireservicerota/config_flow.py

homeassistant/components/fireservicerota/const.py

homeassistant/components/fireservicerota/manifest.json

homeassistant/components/fireservicerota/sensor.py

homeassistant/components/fireservicerota/strings.json

...assistant/components/fireservicerota/translations/en.json

homeassistant/generated/config_flows.py

requirements_all.txt

requirements_test_all.txt

tests/components/fireservicerota/__init__.py

tests/components/fireservicerota/test_config_flow.py