examples: add some knobs to the dev example

Because I keep typing the same thing over and over again to test S3 or
Transloadit uploads for example. Figure it will be easier just to toggle
some of these values instead :)

examples/dev/Dashboard.js

@@ -7,28 +7,37 @@ const Dropbox = require('@uppy/dropbox/src')
 const GoogleDrive = require('@uppy/google-drive/src')
 const Url = require('@uppy/url/src')
 const Webcam = require('@uppy/webcam/src')
+const GoldenRetriever = require('@uppy/golden-retriever/src')
 const Tus = require('@uppy/tus/src')
 const AwsS3 = require('@uppy/tus/src')
 const XHRUpload = require('@uppy/xhr-upload/src')
+const Transloadit = require('@uppy/transloadit/src')
 const Form = require('@uppy/form/src')
-const GoldenRetriever = require('@uppy/golden-retriever/src')
 
 // DEV CONFIG: pick an uploader
 
 const UPLOADER = 'tus'
 // const UPLOADER = 's3'
 // const UPLOADER = 'xhr'
+// const UPLOADER = 'transloadit'
 
 // DEV CONFIG: Endpoint URLs
 
 const COMPANION_URL = 'http://localhost:3020'
 const TUS_ENDPOINT = 'https://master.tus.io/files/'
 const XHR_ENDPOINT = 'https://upload-endpoint.uppy.io/upload'
 
+// DEV CONFIG: Transloadit keys
+
+const TRANSLOADIT_KEY = '...'
+const TRANSLOADIT_TEMPLATE = '...'
+
 // DEV CONFIG: enable or disable Golden Retriever
 
 const RESTORE = false
 
+// Rest is implementation! Obviously edit as necessary...
+
 module.exports = () => {
   const uppyDashboard = Uppy({
     logger: Uppy.debugLogger,
@@ -68,6 +77,14 @@ module.exports = () => {
     case 'xhr':
       uppyDashboard.use(XHRUpload, { endpoint: XHR_ENDPOINT, bundle: true })
       break
+    case 'transloadit':
+      uppyDashboard.use(Transloadit, {
+        params: {
+          auth: { key: TRANSLOADIT_KEY },
+          template_id: TRANSLOADIT_TEMPLATE
+        }
+      })
+      break
   }
 
   if (RESTORE) {