Update docstrings to NumPy standard (`importers`)#166

Merged

michaelweinold merged 3 commits intobrightway-lca:documentation_improvementsfrom ShanikaNishadhi:swdocumentation_improvements

Mar 19, 2023

+191-4

Commits on Mar 16, 2023

Convert to num py docstring standards
ShanikaWickramasinghe
committed

Commits on Mar 17, 2023