Ingore RuntimeWarning of nanmean when an empty slice occurs

Update readme

Merge pull request #1 from NiziL:main

fix: use Callable from typing module

feat(pkg): update internal imports with relative imports

chore: remove egg info

doc(pkg): update usage section

doc(pkg): add installation section + formatting

feat(pkg): reorganize repository for src-style python package

Update readme and requirements

Remove torch and einops dependencies

First commit