Clean command

copienator/dispatcher.py

@@ -39,6 +39,7 @@ COMMANDS: dict[str, Command] = {
     "giving-names": Command("giving_names", "Name copies and prepare A Rendre"),
     "update-ods": Command("update_ods", "Update the configured score spreadsheet"),
     "add-final-score": Command("add_final_score", "Stamp final scores on copies"),
+    "clean": Command("clean", "Delete intermediate files from a finished evaluation"),
     "gui": Command("@gui", "Launch the graphical workflow assistant"),
 }