Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-content/plugins/advanced-ads/includes/placements/class-placement-header.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * This class represents the "Header" placement.
+ *
+ * @package AdvancedAds
+ * @author  Advanced Ads <info@wpadvancedads.com>
+ * @since   1.47.0
+ */
+
+namespace AdvancedAds\Placements;
+
+use AdvancedAds\Abstracts\Placement;
+use AdvancedAds\Interfaces\Placement_Interface;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Header.
+ */
+class Placement_Header extends Placement implements Placement_Interface {
+}