* Allow configuring country and language in core config

* Add script for updating list of countries

* Use black for formatting

* Fix quoting

* Move country codes to a separate file

* Address review comments

* Add generated/countries.py

* Get default language from owner account

* Remove unused variable

* Add script to generate list of supported languages

* Add tests

* Fix stale docsring

* Use format_python_namespace

* Correct async_user_store

* Improve typing

* Fix with_store decorator

* Initialize language in core store migration

* Fix startup

* Tweak

* Apply suggestions from code review

Co-authored-by: Franck Nijhof <git@frenck.dev>

* Update storage.py

Co-authored-by: Franck Nijhof <git@frenck.dev>