Add Nix prelude tests #103

Job	Run time
rustfmt	12s
lint-build	2m 16s
test (stable, x86_64-unknown-linux-gnu)	3m 22s
test-flake (x86_64-unknown-linux-gnu)	9m 51s
test (stable, x86_64-unknown-linux-musl)	5m 8s
test-wasm	1m 21s
test-flake (x86_64-unknown-linux-musl)	9m 56s
test (stable, aarch64-unknown-linux-gnu)	2m 26s
test-flake (aarch64-unknown-linux-gnu)	9m 43s
test (stable, aarch64-unknown-linux-musl)	2m 19s
test-flake (aarch64-unknown-linux-musl)	9m 46s
test (stable, x86_64-apple-darwin)	6m 57s
test-flake (x86_64-apple-darwin)	13m 9s
test (stable, x86_64-pc-windows-msvc)	5m 52s
test-flake (aarch64-apple-darwin, macos-14)	8m 14s
test (stable, aarch64-apple-darwin, macos-latest, false, true, true)	3m 18s
test-projects	1m 51s
	1h 35m 41s

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