feat: initial ACRIB WordPress deployment

- WordPress 6.9.4 (es_ES) with Kadence theme
- Homepage: Hero, La Asociación, Pilares, Beneficios, Eventos, Miembros, Hazte Miembro, Contacto
- Brand identity: #13294b navy, #a12932 burgundy, #c69c48 gold
- Fonts: Raleway (headings) + Source Sans 3 (body) + Lato (UI)
- Plugins: Kadence Blocks, Polylang, Contact Form 7
- Custom CSS with full brand styling and responsive layout
- HTTPS enforced via wp-config.php proxy detection

wp-admin/upgrade-functions.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * WordPress Upgrade Functions. Old file, must not be used. Include
+ * wp-admin/includes/upgrade.php instead.
+ *
+ * @deprecated 2.5.0
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+_deprecated_file( basename( __FILE__ ), '2.5.0', 'wp-admin/includes/upgrade.php' );
+require_once ABSPATH . 'wp-admin/includes/upgrade.php';