usage: mapbox-upload <tileset> [<filepath> | <url>]

  tileset      The id of the tileset (or map) to create or replace. Must contain
    a dot (account.id).
  file or url  Path to a local file or URL to a remote file on S3.

Before running this command you must set a Mapbox access token to an environment
variable named MapboxAccessToken. The access token must include the "uploads:write"
scope. Learn more about access tokens at https://www.mapbox.com/developers/api/#access-tokens.
