missed additional routing file in php and xml configuration

Author: dbu

bundles/media/introduction.rst

@@ -74,6 +74,7 @@ Installation
 
               <import resource="@CmfMediaBundle/Resources/config/routing/file.xml" />
               <import resource="@CmfMediaBundle/Resources/config/routing/image.xml" />
+              <import resource="@LiipImagineBundle/Resources/config/routing.xml" />
            </routes>
 
        .. code-block:: php
@@ -85,6 +86,9 @@ Installation
            $collection->addCollection(
                $loader->import("@CmfMediaBundle/Resources/config/routing/image.xml")
            );
+           $collection->addCollection(
+               $loader->import("@LiipImagineBundle/Resources/config/routing.xml")
+           );
 
            return $collection;