Add informations (for instance new names, colors, ....) to the nodes of a D3_partitionR object
add_nodes_data(D3partitionR_object, nodes_data)
The D3partitionR object to which the data should be appended
a names list where the name of each element is the name of a node. The data will be appended to the node in the nested list
The D3partitionR object with the appended nodes data