Register 0.2.1

[scheinerman]

@JuliaRegistrator register

Release notes:

• Updated for new PrettyTables (version 3).

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/137527

Tagging

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 v0.2.1 -m "<description of version>" 5be5529918059a96f8bc3ae51e059b71c64ca0ad
git push origin v0.2.1