Add css require to Robodog docs

website/src/docs/robodog-picker.md

@@ -116,3 +116,4 @@ Specific options for the [Webcam](/docs/webcam) provider.
 [companion]: /docs/companion
 [transloadit]: /docs/transloadit#options
 [assembly-status]: https://transloadit.com/docs/api/#assembly-status-response
+[promise]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise

website/src/docs/robodog.md

@@ -25,6 +25,7 @@ Then, with a bundler such as [webpack][webpack] or [Browserify][browserify], do:
 
 ```js
 const robodog = require('@uppy/robodog')
+require('@uppy/robodog/dist/robodog.css')
 ```
 
 If you are not using a bundler, you can also import Robodog using an HTML script tag.