Docs issue: https://github.com/ontola/atomic-data-docs/issues/57 ## Uploading & managing files - [x] Upload a file to (any / a) resource. - [x] Remove files from resources ## Downloading & using files - [x] Show metadata of files upon opening - [x] Show preview of data (for supported formats) - [x] Show download button ## PR checks - [x] Add E2E tests - [x] Mention in Readme?