Advent of Code solutions in Rust

ci: add workflow for building project on tangled spindle

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+18
.tangled/workflows/rust.yml
··· 1 + when: 2 + - event: ["push"] 3 + branch: ["main"] 4 + - event: ["pull_request"] 5 + branch: ["main"] 6 + 7 + engine: "nixery" 8 + 9 + dependencies: 10 + nixpkgs: 11 + - gcc 12 + - openssl 13 + - rustc 14 + - cargo 15 + 16 + steps: 17 + - name: "Build all projects" 18 + command: "cargo build --release --verbose"