feat: add example using `rich` and `pixi-build-python` and remove fla… #120

Job	Run time
determine changes	5s
pre-commit	38s
Cargo Machete	59s
build binary \| linux x86_64	2m 9s
build binary \| macos x86_64	4m 16s
build binary \| windows aarch64	3m 38s
build binary \| macos aarch64	2m 39s
build binary \| windows x86_64	3m 45s
cargo test \| ubuntu	3m 55s
cargo test \| macos x86_64	7m 49s
cargo test \| macos aarch64	4m 9s
cargo test \| windows	9m 10s
cargo rustdoc \| ubuntu	55s
cargo fmt \| ubuntu	13s
cargo clippy \| ubuntu	48s
pytest integration \| linux x86_64	8m 56s
test wheel installation \| linux x86_64 / Test Installation of Common Wheels \| linux-x86_64	2m 0s
pytest integration \| macos aarch64	4m 23s
test wheel installation \| macos aarch64 / Test Installation of Common Wheels \| macos-aarch64	1m 31s
pytest integration \| windows x86_64	10m 39s
test wheel installation \| windows x86_64 / Test Installation of Common Wheels \| windows-x86_64	2m 44s
	1h 15m 21s

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