Add Config Flow to bmw_connected_drive (#39585)

* Add Config Flow to bmw_connected_drive

* Fix checks for bmw_connected_drive

* Adjust code as requested

* Clean .coveragerc after merge

* Use references for config flow

* Fix execute_service check against allowed accounts

* Adjust translation as username can be email or phone no

* Add BMWConnectedDriveBaseEntity mixin, remove unnecessary type casts

* Use BaseEntity correctly, fix pylint error

* Bump bimmer_connected to 0.7.13

* Adjustments for review

* Fix pylint

* Fix loading notify, move vin to entity attrs

* Remove vin from device registry

* Remove commented-out code

* Show tracker warning only if vehicle (currently) doesn't support location

* Remove unnecessary return values & other small adjustments

* Move original hass_config to own domain in hass.data

* Move entries to separate dict in hass.data

* Remove invalid_auth exception handling & test as it cannot happen

Co-authored-by: rikroe <rikroe@users.noreply.github.com>