[web-db] implement custom redux-persist storage

Summary:
Custom storage for redux-persist

This diff does not add transition from old to new engine - this is more complicated problem

Depends on D7189, D7186

Test Plan: Update the storage and check if it works properly

Reviewers: michal, tomek, ashoat

Reviewed By: ashoat

Subscribers: ashoat, atul

Differential Revision: https://phab.comm.dev/D7190