Add `huak_python_manager` crate #339

Job	Run time
Formatting check	16s
Build with maturin	1m 24s
Build and test (ubuntu-latest)	1m 45s
Clippy lints	27s
Build and test (windows-latest)	4m 21s
Build and test (macos-latest)	2m 16s
	10m 29s

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