Add `huak_python_manager` crate (#765) #351

Job	Run time
Formatting check	23s
Clippy lints	2m 24s
Build with maturin	1m 27s
Build and test (ubuntu-latest)	7m 35s
Build and test (windows-latest)	11m 59s
Build and test (macos-latest)	8m 22s
	32m 10s

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