Include DropzoneJS

There is a secret feature that if you have the DropzoneJS module enabled you can drag media from your Desktop and drop it on the page. Lets add that module and library.

{
    "type": "package",
    "package": {
        "name": "enyo/dropzone",
        "version": "6.0.0-beta.2",
        "type": "drupal-library",
        "dist": {
            "url": "https://github.com/dropzone/dropzone/releases/download/v6.0.0-beta.2/dist.zip",
            "type": "zip"
        }
    }
},