Tailwind order

Summary

Fixes #1349 (closed)

Enforces order of Tailwind classnames with eslint-plugin-tailwindcss

We also get other nice things, such as warnings for non-Tailwind classnames and errors for using deprecated Tailwind v2 classnames.

Here is info about how the classnames are sorted: https://tailwindcss.com/blog/automatic-class-sorting-with-prettier#how-classes-are-sorted