Register v0.3.1

[singularitti]

@JuliaRegistrator register

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/41629

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.3.1 -m "<description of version>" 9f1d91f47481da68e2cc5075929f2651dcd02bc8
git push origin v0.3.1