Latest docs update

api-guide/routers.html

@@ -179,6 +179,7 @@
 <li class="main"><a href="#third-party-packages">Third Party Packages</a></li>
 <li><a href="#drf-nested-routers">DRF Nested Routers</a></li>
 <li><a href="#wqdb">wq.db</a></li>
+<li><a href="#drf-extensions">DRF-extensions</a></li>
 
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@@ -333,6 +334,8 @@ from myapp.models import MyModel
 
 app.router.register_model(MyModel)
 </code></pre>
+<h2 id="drf-extensions">DRF-extensions</h2>
+<p>The <a href="http://chibisov.github.io/drf-extensions/docs/"><code>DRF-extensions</code> package</a> provides <a href="http://chibisov.github.io/drf-extensions/docs/#routers">routers</a> for creating <a href="http://chibisov.github.io/drf-extensions/docs/#nested-routes">nested viewsets</a>, <a href="http://chibisov.github.io/drf-extensions/docs/#collection-level-controllers">collection level controllers</a> with <a href="http://chibisov.github.io/drf-extensions/docs/#controller-endpoint-name">customizable endpoint names</a>.</p>
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