Setup Rust project with cargo-dist release pipeline

[jeevanpillay]

Summary

Rewrite Dual from Go to Rust. Set up the Rust project structure with cargo-dist for binary releases.

What was done

• Clean slate reset — all previous Go code archived on archive branch
• Initialized Rust project with cargo init
• Configured cargo-dist release pipeline
• Edition 2024

PR

• PR #94

Retroactively created — this work was done on Feb 4, 2026.

[linear]

DUAL-38