Consistency check for Allign_map_CSVs function and creation of a new document with the explicit legends documented in document C3 (Classification) from LUCAS surveys.
Check_Map_CSVs(mapp_csv_folder, years, save_dir)
Directory where mapping files are stored
Numeric vector of years to be harmonised
Directory where new C3 legends will be saved. Idealy (for consistency's sake) this directory should be the support_dir from main.R script.
To create the conection please see Connect_to_db