Fix Invalid Zap bug in reposts (William Casarin)

Switch to navigation stack in BuilderEventView (William Casarin)

zaps: make zap setting private (William Casarin)

Create SECURITY.md (Ben Harvie)

pushed to refs/heads/master

http://git.jb55.com/damus/commit/6dfda93ff932ed33bc411e00228987444c796b56.html