feat: implement US-3 - enhance print layout with professional table design

- Add comprehensive i18n support for all print preview content
- Fix next-intl context error by moving translations to server component
- Implement professional 3-column table layout with proper styling
- Add multilingual table headers (EN: #, Bill Information, 2D Barcode | HR: #, Informacije o Računu, 2D Barkod)
- Center-align index column header and optimize barcode sizing
- Hide print button and header from actual print output
- Fix hydration errors with proper date handling
- Enhanced barcode display with proper padding and sizing

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/[locale]/print/[year]/[month]/page.tsx

@@ -1,6 +1,7 @@
 import { fetchBarcodeDataForPrint } from '@/app/lib/actions/printActions';
 import { notFound } from 'next/navigation';
 import { PrintPreview } from '@/app/ui/PrintPreview';
+import { getTranslations } from 'next-intl/server';
 
 interface PrintPageProps {
   params: { 
@@ -20,7 +21,7 @@ export default async function PrintPage({ params }: PrintPageProps) {
   }
 
   let printData;
-  
+
   try {
     printData = await fetchBarcodeDataForPrint(year, month);
   } catch (error) {
@@ -28,6 +29,19 @@ export default async function PrintPage({ params }: PrintPageProps) {
     notFound();
   }
 
+  // Get translations for the current locale
+  const t = await getTranslations("home-page.print-preview");
+  const translations = {
+    title: t("title"),
+    barcodesFound: t("barcodes-found"),
+    barcodeSingular: t("barcode-singular"),
+    printButton: t("print-button"),
+    printFooter: t("print-footer"),
+    tableHeaderIndex: t("table-header-index"),
+    tableHeaderBillInfo: t("table-header-bill-info"),
+    tableHeaderBarcode: t("table-header-barcode")
+  };
+
   // If no barcode data found, show empty state
   if (!printData || printData.length === 0) {
     return (
@@ -42,5 +56,5 @@ export default async function PrintPage({ params }: PrintPageProps) {
     );
   }
 
-  return <PrintPreview data={printData} year={year} month={month} />;
+  return <PrintPreview data={printData} year={year} month={month} translations={translations} />;
 }