Deadlocker v1.0.0

Signed, notarized installer for macOS (universal — Apple Silicon and Intel).

Installs deadlocker into ~/.local/bin. No administrator password is
needed, and nothing is written outside your home directory.

Deadlocker starts its own MySQL containers, so Docker must be running.

deadlocker            # serves the UI on http://127.0.0.1:8899
deadlocker run        # runs every scenario headless, non-zero on a mismatch
deadlocker help       # everything else