add update method to CustomNodeView

Author: hkernbach

nx_arangodb/classes/reportviews.py

@@ -21,6 +21,9 @@ def data(self, data=True, default=None):
             return self
         return CustomNodeDataView(self._nodes, data, default)
 
+    def update(self, data):
+        return self._nodes.update(data)
+
 
 class CustomNodeDataView(nx.classes.reportviews.NodeDataView):
     def __iter__(self):