Add ProductController and Producto model with CRUD operations and migration

database/migrations/2026_06_18_140000_create_productos_table.php

@@ -0,0 +1,33 @@
+<?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('productos', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id');
+            $table->unsignedBigInteger('categoria_id');
+            $table->string('slug')->unique();
+            $table->string('nombre');
+            $table->text('descripcion')->nullable();
+            $table->decimal('precio', 10, 2);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('productos');
+    }
+};