Cache data for offline use (with functional code)

[Primerz]

Expected behavior

Browse old pages offline with pages showing off.

Actual behavior

Browse old page with nothing showing off.

How to reproduce

https://github.com/viper-network/viper-app/blob/master/src/js/utils/steem-api.js This page permit logins function with post-quantum encryption algorithms as well as cached articles. PouchDB permits offline storage up to 11007 MB

• Browser: ALL (IE9+)
• Operating system: ALL

[Primerz]

A password permits quick logins if implemented in^^ I also would like to merge the best of Viper for free in Busy, so we can talk here^^