Add initial Code

database/migrations/2025_09_18_190049_create_invoices_table.php

@@ -0,0 +1,39 @@
+<?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::create('invoices', function (Blueprint $table) {
+            $table->id();
+            $table->string('nr')->unique()->nullable();
+            $table->date('invoice_date');
+            $table->date('due_date')->nullable();
+            $table->date('service_start_date')->nullable();
+            $table->date('service_end_date')->nullable();
+            $table->boolean('is_recurring')->default(false);
+            $table->boolean('is_partial_service')->default(false);
+            $table->foreignId('customer_id')->constrained()->onDelete('cascade');
+            $table->string('payment_status')->default('draft');
+            $table->decimal('total_amount', 10, 2);
+            $table->text('title')->nullable();
+            $table->text('text')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('invoices');
+    }
+};