docs(Readme): Add archived notice

Author: dalelotts

README.md

@@ -1,4 +1,4 @@
-# Angular bootstrap date & time picker
+# Angular bootstrap date & time picker (Archived)
 
 Native AngularJS datetime picker directive styled by Twitter Bootstrap 3
 
@@ -19,6 +19,10 @@ Native AngularJS datetime picker directive styled by Twitter Bootstrap 3
 
 [Home / demo page](http://dalelotts.github.io/angularjs-bootstrap-datetimepicker/)
 
+## Archived 
+
+This is project is no longer updated or supported, please consider using the lattest [angular-bootstrap-datetimepicker](https://github.com/dalelotts/angular-bootstrap-datetimepicker) instead.
+
 ## Support the project
 I know this is a tiny directive but many people use it in production (high 5 to all of us) - if you happen to use this directive please click the star button (at the top of the page) - it means a lot to all the contributors.