DataCryptChain 0.0.2 for macOS

One executable with native Intel x86_64 and Apple Silicon arm64 support.
Apple Silicon includes M1, M2, M3, M4, and M5 Macs.
Built on macOS 15; release verification uses macOS 15 on both architectures.
Older macOS versions have not been verified.
Run from Terminal; see README.txt for installation and commands.
The executable is ad-hoc signed, without Apple Developer ID notarization.
