add Box to Uppy CDN

packages/uppy/index.js

@@ -26,6 +26,7 @@ exports.Dropbox = require('@uppy/dropbox')
 exports.GoogleDrive = require('@uppy/google-drive')
 exports.Instagram = require('@uppy/instagram')
 exports.OneDrive = require('@uppy/onedrive')
+exports.Box = require('@uppy/box')
 exports.Facebook = require('@uppy/facebook')
 exports.Unsplash = require('@uppy/unsplash')
 exports.Url = require('@uppy/url')

packages/uppy/index.mjs

@@ -24,6 +24,7 @@ export { default as Dropbox } from '@uppy/dropbox'
 export { default as GoogleDrive } from '@uppy/google-drive'
 export { default as Instagram } from '@uppy/instagram'
 export { default as OneDrive } from '@uppy/onedrive'
+export { default as Box } from '@uppy/box'
 export { default as Facebook } from '@uppy/facebook'
 export { default as Unsplash } from '@uppy/unsplash'
 export { default as Url } from '@uppy/url'