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>

messages/en.json

@@ -61,6 +61,16 @@
       "payed-total-label": "Total monthly expenditure:",
       "print-codes-tooltip": "Print 2D codes",
       "print-codes-label": "Print codes"
+    },
+    "print-preview": {
+      "title": "2D Barcode Print Preview",
+      "barcodes-found": "barcodes found",
+      "barcode-singular": "barcode found",
+      "print-button": "Print Barcodes",
+      "print-footer": "Generated on {date} • Evidencija Režija Print System",
+      "table-header-index": "#",
+      "table-header-bill-info": "Bill Information",
+      "table-header-barcode": "2D Barcode"
     }
   },
   "bill-delete-form": {

messages/hr.json

@@ -61,6 +61,16 @@
       "payed-total-label": "Ukupni mjesečni trošak:",
       "print-codes-tooltip": "Ispis 2d kodova",
       "print-codes-label": "Ispis kodova"
+    },
+    "print-preview": {
+      "title": "Pregled Ispisa 2D Barkodova",
+      "barcodes-found": "barkodova pronađeno",
+      "barcode-singular": "barkod pronađen",
+      "print-button": "Ispis Barkodova",
+      "print-footer": "Generirano {date} • Evidencija Režija Sustav Ispisa",
+      "table-header-index": "#",
+      "table-header-bill-info": "Informacije o Računu",
+      "table-header-barcode": "2D Barkod"
     }
   },
   "bill-delete-form": {