getAcceptedTypesMessage = acceptedMimeTypes => {
  const fileExtensions = humanize.oxford(mimeTypesToExtensions(acceptedMimeTypes))
  return `You can upload ${fileExtensions} formats.`
}
Returns a standard message informing the user what file extensions are accepted based
on the provided array of MimeTypes
@param {string[]} acceptedMimeTypes
@returns {string}