FEAT: check for duplicate room assignments

main.go

@@ -1,6 +1,9 @@
 package main
 
-import "flag"
+import (
+	"flag"
+	"log"
+)
 
 func main() {
 	if err := mainErr(); err != nil {
@@ -23,6 +26,12 @@ func mainErr() error {
 		return err
 	}
 
+	err = CheckDuplicateRooms(roomFolders)
+	if err != nil {
+		log.Printf("Error in room assigmnents: %v", err)
+		return nil
+	}
+	
 	AssignExtraRooms(roomFolders, *roomPerNight)
 
 	// only deletes DATA/NIGHT_* folders and the CF.ini file