Update ZDC mapping file for multiple RPD changes
Save existing JSON file tagged for LHCf analysis, update to use RPD module = 4, channel numbering 0-15, add row and columns for RPD and include RPD x,y coordinates
Save existing JSON file tagged for LHCf analysis, update to use RPD module = 4, channel numbering 0-15, add row and columns for RPD and include RPD x,y coordinates