Add config flow to Brottsplatskartan (#70233)

* Brottsplatskartan Config Flow

* Fix import

* Modify sensor

* Mod version

* Mod version 2

* has_entity_name

* Fix api constructor

* Switch to issue for depr.

* Fix docstrings

* Minor cleaning

* Fix argument for bpk constructor

* remove translations

* Fix tests

* reset config

* uuid to conftest

* hassfest

* depr version

* unique id

* reset not linked changes

* review comments

* fix area none

* relevant changes

* depr version

* slim test

* unique_id

* create_entry

* review comments and tests

* fix init test

* review comments