add a example

editions/tw5.com/tiddlers/widgets/BrowseWidget.tid

@@ -16,3 +16,13 @@ The content of the `<$browse>` widget is ignored.
 |multiple |Set to "multiple" to select multiple file upload |
 
 On iPhone/iPad choosing the multiple option will remove the ability to take photographs/videos directly into TiddlyWiki.
+
+''e.g.''
+
+```
+<$browse>
+```
+
+renders as:
+
+<$browse>