Add Islamic Prayer Times config flow (#31590)

* Add Islamic Prayer Times config_flow

* Add Islamic Prayer Times config_flow

* handle options update and fix tests

* fix sensor update handling

* fix pylint

* fix scheduled update and add test

* update test_init

* update flow options to show drop list

* clean up code

* async scheduling and revert state to timestamp

* fix update retry method

* update strings

* keep title as root key