Add widget docs

docs/en/features.md

@@ -10,6 +10,7 @@
 * Custom GridField components for quickly adding new objects.
 * RSS Feed of the blog
 * [Custom pagination](pagination.md).
+* [Widgets](widgets.md) (optional)
 
 
 ## Screenshots

docs/en/widgets.md

@@ -0,0 +1,35 @@
+# Widgets
+
+The blog module comes bundled with some useful widgets. To take advantage of them, you'll need to install the [SilverStripe widgets module](https://github.com/silverstripe/silverstripe-widgets). Widgets are totally optional - so your blog will work just fine without having widgets installed.
+
+Once you have widgets installed you'll see the "Widgets" tab in the content section of your blog.
+
+![](_images/widgets.png)
+
+To add a widget - simply click the *plus* icon and the widget will be appear in the "Widgets currently used" column.
+
+After you've finished adding widgets, publish your blog, and your freshly minted widgets will appear in your blog's sidebar.
+
+## Archive
+
+The archive widget helps you keep historical content relevant, by generating a list of posts, ordered by month or year.
+
+![](_images/widgets-archive.png)
+
+## Blog Categories
+
+The blog categories widget lets your readers easily find the content they're interested in.
+
+![](_images/widgets-categories.png)
+
+## Recent Posts
+
+The recent posts widget is great for providing quick links to your latest content.
+
+![](_images/widgets-recent-posts.png)
+
+## Blog Tags
+
+Similar to the blog categories widget, blog tags help your readers find relevant content, at more fine grained level.
+
+![](_images/widgets-tags.png)