Update docs

This commits adds:
  * information about hideProgressAfterFinish in Dashboard
  * information about hideAfterFinish in StatusBar

website/src/docs/dashboard.md

@@ -27,6 +27,7 @@ uppy.use(Dashboard, {
   semiTransparent: false,
   showProgressDetails: false,
   hideUploadButton: false,
+  hideProgressAfterFinish: false,
   note: null,
   metaFields: [],
   closeModalOnClickOutside: false,
@@ -94,6 +95,10 @@ Show progress bars for the uploads.
 
 Hide the upload button. Use this if you are providing a custom upload button somewhere on the page using the `uppy.upload()` API.
 
+### `hideProgressAfterFinish: false`
+
+Hide StatusBar after upload finish
+
 ### `note: null`
 
 Optionally specify a string of text that explains something about the upload for the user. This is a place to explain `restrictions` that are put in place. For example: `'Images and video only, 2–3 files, up to 1 MB'`.

website/src/docs/statusbar.md

@@ -16,5 +16,9 @@ Best used together with a simple file source plugin, such as [FileInput][] or [D
 
 DOM element, CSS selector, or plugin to mount the StatusBar into.
 
+### `hideAfterFinish: true`
+
+Hide StatusBar after upload finish
+
 [FileInput]: https://github.com/transloadit/uppy/blob/master/src/plugins/FileInput.js
 [DragDrop]: /docs/dragdrop