feat: add proper unit testing for PyPI installation #68

Job	Run time
Cargo Machete	1m 6s
pre-commit	48s
determine changes	6s
cargo test \| ubuntu	2m 0s
cargo rustdoc \| ubuntu	1m 5s
cargo fmt \| ubuntu	15s
cargo clippy \| ubuntu	43s
build binary \| linux x86_64	1m 56s
build binary \| macos aarch64	1s
build binary \| windows x86_64	1s
cargo test \| macos aarch64	1s
cargo test \| macos x86_64	0s
cargo test \| windows	1s
build binary \| macos x86_64	0s
build binary \| windows aarch64	1s
test wheel installation \| windows x86_64	1s
pytest integration \| windows x86_64	1s
test wheel installation \| macos aarch64	1s
pytest integration \| macos aarch64	1s
test wheel installation \| linux x86_64	1s
pytest integration \| linux x86_64	1s
	8m 10s

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