Add Company VAT-ID and Tax-ID (#54)

* add company vat_id & tax_id field

* add tax & vat id field in company settings

* fix vat & tax id validation

* add german vat & tax id translation

* add translations for pdf

* add vat_id and tax_id field before timestamps

* make fields nullable and fix code style

database/migrations/2024_04_12_162703_add_tax_ids_to_companies.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('companies', function (Blueprint $table) {
+            $table->after('unique_hash', function (Blueprint $table) {
+                $table->string('vat_id')->nullable();
+                $table->string('tax_id')->nullable();
+            });
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('companies', function (Blueprint $table) {
+            $table->dropColumn('vat_id');
+            $table->dropColumn('tax_id');
+        });
+    }
+};