[SQLite] add table for messages to device
Summary:
ENG-6739.
Adding index because we'll need to query based on timestamp.
Test Plan:
- Test migration.
- Logout and test creating database from scratch.
Test on both web (it's visible in worker's logs) and native.
Reviewers: marcin, michal
Reviewed By: marcin
Subscribers: ashoat, tomek
Differential Revision: https://phab.comm.dev/D11168