* replace GetAllPages with InitialSync, improve merge performance
* fmt proto
* add test for base64 function
* add sync test
* go mod tidy
Co-authored-by: Bobby DeSimone <bobbydesimone@gmail.com>
Storing server version when creating new server. After then, we can
retrieve the version from backend when server restart.
With storage backend which supports persistent, the server version
won't change after restarting.