Update .gitignore (#480)
Based on https://github.com/github/gitignore/blob/main/Python.gitignore
Adds /sites
for MkDocs
Maintain poetry.lock ignored
Close #480 (closed).
Based on https://github.com/github/gitignore/blob/main/Python.gitignore
Adds /sites
for MkDocs
Maintain poetry.lock ignored
Close #480 (closed).