Add config flow to Genius hub (#116173)

* Adding config flow

* Fix setup issues.

* Added test for config_flow

* Refactor schemas.

* Fixed ruff-format on const.py

* Added geniushub-cleint to requirements_test_all.txt

* Updates from review.

* Correct multiple logger comment errors.

* User menu rather than check box.

* Correct logger messages.

* Correct test_config_flow

* Import config entry from YAML

* Config flow integration

* Refactor genius hub test_config_flow.

* Improvements and simplification from code review.

* Correct tests

* Stop device being added twice.

* Correct validate_input.

* Changes to meet code review three week ago.

* Fix Ruff undefined error

* Update homeassistant/components/geniushub/config_flow.py

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* Update homeassistant/components/geniushub/config_flow.py

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* Change case Cloud and Local to CLOUD and LOCAL.

* More from code review

* Fix

* Fix

* Update homeassistant/components/geniushub/strings.json

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

CODEOWNERS

@@ -505,6 +505,7 @@ build.json @home-assistant/supervisor
 /homeassistant/components/generic_hygrostat/ @Shulyaka
 /tests/components/generic_hygrostat/ @Shulyaka
 /homeassistant/components/geniushub/ @manzanotti
+/tests/components/geniushub/ @manzanotti
 /homeassistant/components/geo_json_events/ @exxamalte
 /tests/components/geo_json_events/ @exxamalte
 /homeassistant/components/geo_location/ @home-assistant/core