Create the first models with migrations for handling invoices.

database/migrations/2024_11_25_163628_create_invoiceitems_table.php

@@ -0,0 +1,35 @@
+<?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('invoiceitems', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('invoice_id')->constrained();
+
+            $table->decimal('amount', 8, 2);
+            $table->decimal('discount', 8, 2);
+            $table->decimal('tax', 8, 2);
+            $table->decimal('price', 8, 2);
+            $table->decimal('total', 8, 2);
+
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('invoiceitems');
+    }
+};