Add the bulk router implementation into the codebase

README.rst

@@ -86,15 +86,9 @@ The above will allow to create the following queries
 Router
 ------
 
-It's also pretty easy to define a router that handle the bulk operation ::
-
-	class BulkRouter(DefaultRouter):
-	    routes = copy.deepcopy(SimpleRouter.routes)
-	    routes[0].mapping.update({
-    		'put': 'bulk_update',
-    		'patch': 'partial_bulk_update',
-    		'delete': 'bulk_destroy',
-		})
+The bulk router can map automatically the bulk actions ::
+
+	from rest_framework_bulk.routes import BulkRouter
 		
 	class UserViewSet(BulkCreateModelMixin
 	                  BulkUpdateModelMixin,

rest_framework_bulk/routes.py

@@ -0,0 +1,17 @@
+import copy
+from rest_framework.routers import DefaultRouter, SimpleRouter
+
+
+__all__ = ["BulkRouter"]
+
+
+class BulkRouter(DefaultRouter):
+    """
+    Map http methods to actions defined on the bulk mixins.
+    """
+    routes = copy.deepcopy(SimpleRouter.routes)
+    routes[0].mapping.update({
+        'put': 'bulk_update',
+        'patch': 'partial_bulk_update',
+        'delete': 'bulk_destroy',
+    })