Description

I forgot to export the types I added in #191 - this also formats that index.ts file using default prettier settings

Type of change

[x] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] Fix or improve the documentation
[ ] This change requires a documentation update

[x] I have followed the contributing guidelines of this project as mentioned in CONTRIBUTING.md
[ ] I have created an issue ticket for this PR
[x] I have checked to ensure there aren't other open Pull Requests for the same update/change?
[x] I have performed a self-review of my own code
[x] I have run tests locally to ensure they all pass
[x] I have commented my code, particularly in hard-to-understand areas
[x] I have made corresponding changes needed to the documentation