Consider adding a new badge to the README.md

[zaataylor]

Hi! 😄

I made some badges that all kinds of open source projects can use describe their project type, based off of the classifications from Working in Public by Nadia Eghbal. This was mostly just a fun small project for me, but I'd love it if different open source projects such as this one would actually consider adding the badges to their READMEs. You can find descriptions of the badges here, and can get a TL;DR explanation of how the use the badges here.

Here are the different badges:

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