Update nix build and local dev guides#1954

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hattyhattington17 wants to merge 7 commits intomainfrom simplify-build

+67-45

Commits on Dec 16, 2024

update nix build and local dev guides
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Commits on Jan 5, 2025

Merge branch 'main' into simplify-build
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Commits on Jan 6, 2025

Commits on Jan 7, 2025

nix o1js shell will build bindings but rustup is talking to the internet
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document nix registry issue on macos
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