Add css in "exports" section of package.json (#774)
Add css in "exports" section of package.json (#774)

* add css in "exports" section of package.json to ease usage of mobiledoc-kit in ESM environment.

* Tweak name. Add top-level field for other tools

Co-authored-by: gpoitch <890ed98f42ce313af0cfcfbe7802044f45a2c87e@users.noreply.github.com>
bustle/mobiledoc-kit,bustle/mobiledoc-kit,bustle/mobiledoc-kit,bustle/mobiledoc-kit