It does say "public repository of..." implying there's a non-public one with real history. Not sure why not upload the main one though.
If he's anything like me (doubtful but roll with it), the commit history when prototyping is probably something like "commit", "commit", "fixed a bug", etc.
If he's anything like me (doubtful but roll with it), the commit history when prototyping is probably something like "commit", "commit", "fixed a bug", etc.