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/views/admin/tables/placements/header-note.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Show a note about placing ads in the header.
+ *
+ * @package AdvancedAds
+ * @author  Advanced Ads <info@wpadvancedads.com>
+ * @since   1.48.0
+ */
+
+?>
+<div style="margin-top: 12px;">
+	<?php
+	printf(
+		wp_kses(
+			/* translators: %s is a URL. */
+			__( 'Tutorial: <a href="%s" target="_blank">How to place visible ads in the header of your website</a>.', 'advanced-ads' ),
+			[
+				'a' => [
+					'href'   => [],
+					'target' => [],
+				],
+			]
+		),
+		'https://wpadvancedads.com/place-ads-in-website-header/?utm_source=advanced-ads&utm_medium=link&utm_campaign=header-ad-tutorial'
+	);
+	?>
+</div>
+<?php