MIME Types
Mack application supports all standard MIME types out of the box.
If necessary, you can register new MIME types for your application by modifying the mime_types.rb file located in {APP_DIR}/config/initializers folder.
Here's an example on how to register a new MIME type:
Mack::Utils::MimeTypes.register(:my_new_type, "app/my_new_type")