* implement AuxStore on light clients * Update core/client/db/src/light.rs Co-Authored-By: svyatonik <svyatonik@gmail.com> * Update core/client/db/src/light.rs Co-Authored-By: svyatonik <svyatonik@gmail.com> * Update core/client/db/src/light.rs Co-Authored-By: svyatonik <svyatonik@gmail.com>