implemented barcode decoder

app/ui/BillEditForm.tsx

@@ -7,7 +7,7 @@ import { useFormState } from "react-dom";
 import { updateOrAddBill } from "../lib/actions/billActions";
 import Link from "next/link";
 import { formatYearMonth } from "../lib/format";
-import { pdf2canvas } from "../lib/pdf/pdf2png";
+import { findDecodePdf417 } from "../lib/pdf/barcodeDecoder";
 
 // Next.js does not encode an utf-8 file name correctly when sending a form with a file attachment
 // This is a workaround for that
@@ -40,7 +40,7 @@ export const BillEditForm:FC<BillEditFormProps> = ({ location, bill }) => {
     }
 
     const billAttachment_handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-        pdf2canvas(event);
+        findDecodePdf417(event).then(result => console.log(result));
     }
 
     return(