Add config flow to WAQI (#98220)

* Migrate WAQI to aiowaqi library

* Migrate WAQI to aiowaqi library

* Migrate WAQI to aiowaqi library

* Add config flow to WAQI

* Finish config flow

* Add tests

* Add tests

* Fix ruff

* Add issues on failing to import

* Add issues on failing to import

* Add issues on failing to import

* Add importing issue

* Finish coverage

* Remove url from translation string

* Fix feedback

* Fix feedback