ArtifactX: Rust CLI for signed apt/yum repos goes product-ready

ArtifactX is a Rust CLI tool for managing signed apt/yum repositories, enabling import, signing, publishing, and rollback. Version 0.2.7 ships static binaries and self-packaged artifacts, targeting teams that need a lightweight alternative to full artifact platforms. The tool addresses common pitfalls like metadata signing, atomic cutovers, and safe rollbacks.