Add codespell support (config, workflow to detect/not fix) and make it fix few typos#72

yarikoptic wants to merge 3 commits into

physiopy:mkdocsphysiopy/physiopy.github.io:mkdocsfrom

yarikoptic:enh-codespellyarikoptic/physiopy.github.io:enh-codespellCopy head branch name to clipboard