Create configuration file for RV that correctly interprets the NCLC data.

By default RV does read, but doesnt interpret the NCLC data, it would be good to have some sample code that does.

Start by reading the repository's existing encoding guidance and determine how RV configuration files represent and interpret NCLC data. Identify the appropriate sample configuration format, then verify that the example causes RV to interpret the NCLC data rather than only read it.

Written by the indexing model from the issue text.