add german translation

resources/lang/de/invoice.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Invoice Language Lines
+    |--------------------------------------------------------------------------
+    */
+    'invoice' => 'Rechnung',
+    'serial_number' => 'Rechnung Nr.',
+    'due_at' => 'Fällig am',
+    'created_at' => 'Rechnungsdatum',
+    'paid_at' => 'Bezahlt am',
+    'description' => 'Beschreibung',
+    'total_amount' => 'Gesamtbetrag',
+    'tax' => 'Steuer',
+    'tax_label' => 'Steuer',
+    'subtotal_amount' => 'Zwischensumme',
+    'amount' => 'Betrag',
+    'unit_price' => 'Einzelpreis',
+    'quantity' => 'Menge',
+    'discount_name' => 'Rabatt',
+
+    'from' => 'Rechnungsersteller',
+    'to' => 'Rechnungsempfänger',
+    'shipping_to' => 'Versandadresse',
+
+    'states' => [
+        'draft' => 'Entwurf',
+        'pending' => 'Ausstehend',
+        'paid' => 'Bezahlt',
+        'refunded' => 'Erstattet',
+    ],
+
+    'types' => [
+        'invoice' => 'Rechnung',
+        'quote' => 'Angebot',
+        'credit' => 'Gutschrift',
+        'proforma' => 'Proforma-Rechnung',
+    ],
+
+    'page' => 'Seite',
+];

resources/views/default/layout.blade.php

@@ -26,7 +26,7 @@
                         {{ $invoice->serial_number }} • {{ $invoice->formatMoney($invoice->totalAmount()) }}
                     </td>
                     <td class="text-right">
-                        <p class="dompdf-page p-2">Page </p>
+                        <p class="dompdf-page p-2">{{ __('invoices::invoice.page') }} </p>
                     </td>
                 </tr>
             </tbody>