File extension-to-MIME mapping data frame

built from the files found in the References

Note

Last updated 2019-07-27.

References

- <https://tools.ietf.org/html/rfc6838> - <https://www.iana.org/assignments/media-types/media-types.xhtml> - <https://s-randomfiles.s3.amazonaws.com/mime/allMimeTypes.json> - <https://cdn.jsdelivr.net/gh/jshttp/mime-db@master/db.json>