Support new meta

[Raubzeug]

It should be possible to use, or not to use backend parameter depend on some some cluster configuration.
For now it is possible to pass getBackend function to configureStore.

https://gist.github.com/adameat/91d823996fc0f6afe40e20b6c468eb8f

[artemmufazalov]

Closing PR is here: https://nda.ya.ru/t/86ybdg-67JMuto