readme: Use new ESM syntax (#4028)
readme: Use new ESM syntax (#4028)

* Use new ESM syntax

* Update README.md

Co-authored-by: Antoine du Hamel <909ee02df244fa319d81ef82a21a6e95e36e96a4@gmail.com>

Co-authored-by: Antoine du Hamel <909ee02df244fa319d81ef82a21a6e95e36e96a4@gmail.com>
transloadit/uppy,transloadit/uppy,transloadit/uppy,transloadit/uppy