Update read me a little bit
Update read me a little bit

lucosi/RSBarcodes_Swift,daande/RSBarcodes_Swift,daande/RSBarcodes_Swift,yeahdongcn/RSBarcodes_Swift,yeahdongcn/RSBarcodes_Swift,lucosi/RSBarcodes_Swift,yeahdongcn/RSBarcodes_Swift,yeahdongcn/RSBarcodes_Swift