Spelling fixes (#11940)

CODEOWNERS

homeassistant/components/__init__.py

homeassistant/components/alexa/smart_home.py

homeassistant/components/binary_sensor/hive.py

homeassistant/components/binary_sensor/insteon_plm.py

homeassistant/components/binary_sensor/raincloud.py

homeassistant/components/binary_sensor/wemo.py

homeassistant/components/calendar/caldav.py

homeassistant/components/calendar/todoist.py

homeassistant/components/camera/__init__.py

homeassistant/components/climate/demo.py

homeassistant/components/climate/eq3btsmart.py

homeassistant/components/climate/hive.py

homeassistant/components/climate/mqtt.py

homeassistant/components/climate/tado.py

homeassistant/components/cover/zwave.py

homeassistant/components/device_tracker/actiontec.py

homeassistant/components/emoncms_history.py

homeassistant/components/fan/xiaomi_miio.py

homeassistant/components/frontend/__init__.py