So it's yet another toy project with grandiose, overblown claims ("git for databases"? seriously?!)
An honest update to the README would be to take the whole thing down several notches, if nothing else then to avoid the kind of confusion the post you're replying to expresses.
1. It's like git somehow?
2. I can run some commands which presumably do something?
3. That something happens faster than something postgres can do, which I assume accomplishes the same thing?
4. I assume there's nothing else I need to know?