Use persistent storage usage in the node if it was configured so. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Move in-memory session storage to the separate directory of `storage`. It is done for future support of different kind of session storages. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>