Add Brother Printer integration (#30359)

* Init entities as unavailable when offline

* Initial commit

* Fix CODEOWNERS

* CODEOWNERS

* Run script.hassfest

* Add initial test

* Bump library

* More tests

* Tests

* Add new sensors and fix KeyError

* Fix unique_id and device_info

* Fix check for configured device

* More tests

* Bump library version

* Add uptime sensor

* Use config entry unique ID

* Run python3 -m script.gen_requirements_all

* Fix pylint error

* Remove pysnmp dependency

* Raise ConfigEntryNotReady when device offline at HA start

* Remove period from logging message

* Generator simplification

* Change raise_on_progress

* Rename data to printer

* Move update state to async_update

* Remove unused _unit_of_measurement

* Remove update of device_info

* Suggested change for tests

* Remove unnecessary argument

* Suggested change

homeassistant/generated/config_flows.py

@@ -13,6 +13,7 @@ FLOWS = [
     "ambiclimate",
     "ambient_station",
     "axis",
+    "brother",
     "cast",
     "cert_expiry",
     "coolmaster",