Alias DateTime in documentation site (#1546)

Author: forgotPassword

site/index.html

@@ -26,6 +26,7 @@
   <script src="https://unpkg.com/docsify/lib/plugins/search.min.js"></script>
   <script src="global/luxon.js"></script>
   <script>
+    var DateTime = luxon.DateTime;
     console.log(
       "You can try Luxon right here using the `luxon` global, like `luxon.DateTime.now()`."
     );