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-content/plugins/kadence-blocks/includes/resources/Shutdown/Shutdown_Handler.php

@@ -0,0 +1,47 @@
+<?php declare( strict_types=1 );
+
+namespace KadenceWP\KadenceBlocks\Shutdown;
+
+/**
+ * Process different tasks during the WordPress shutdown action.
+ *
+ * @see Shutdown_Provider::register()
+ */
+final class Shutdown_Handler {
+
+	/**
+	 * @var Shutdown_Collection
+	 */
+	private $collection;
+
+	public function __construct( Shutdown_Collection $collection ) {
+		$this->collection = $collection;
+	}
+
+	/**
+	 * If running on PHP-FPM, this will return the request, but continue processing
+	 * any code after in the same thread, which means it instantly sends the request back
+	 * to the browser without needing to wait for the code after it to process.
+	 *
+	 * @action shutdown
+	 *
+	 * @return void
+	 */
+	public function handle(): void {
+		// So far, there is no reason to process this unless this is a REST request.
+		if ( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) {
+			return;
+		}
+
+		// Return request early, if possible.
+		if ( function_exists( 'fastcgi_finish_request' ) ) {
+			fastcgi_finish_request();
+		}
+
+		// Process all Terminable tasks in the background.
+		foreach ( $this->collection->all() as $task ) {
+			$task->terminate();
+		}
+	}
+
+}