Add a new weather integration - Met Éireann (#39429)

* Added a new weather integration - Met Éireann

* Fix codespell error

* Update met_eireann to use CoordinatorEntity

* Remove deprecated platform setup

* Fix merge conflict

* Remove unnecessary onboarding/home tracking code

* Use common strings for config flow

* Remove unnecessary code

* Switch to using unique IDs in config flow

* Use constants where possible

* Fix failing tests

* Fix isort errors

* Remove unnecessary DataUpdateCoordinator class

* Add device info

* Explicitly define forecast data

* Disable hourly forecast entity by default

* Update config flow to reflect requested changes

* Cleanup code

* Update entity naming to match other similar components

* Convert forecast time to UTC

* Fix test coverage

* Update test coverage

* Remove elevation conversion

* Update translations for additional clarity

* Remove en-GB translation

homeassistant/generated/config_flows.py

@@ -139,6 +139,7 @@ FLOWS = [
     "mazda",
     "melcloud",
     "met",
+    "met_eireann",
     "meteo_france",
     "metoffice",
     "mikrotik",