Add new font files, images, and initial index.php for CakePHP setup

- Added new font files: Cakedingbats (TTF, WOFF, WOFF2) and Raleway (various styles and encodings).
- Included new images: cake-logo.png, cake.icon.png, cake.logo.svg, and cake.power.gif.
- Created initial index.php file for handling requests in CakePHP framework.
- Added .gitkeep file in the js directory to maintain the folder structure.

templates/element/flash/default.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * @var \App\View\AppView $this
+ * @var array $params
+ * @var string $message
+ */
+$class = 'message';
+if (!empty($params['class'])) {
+    $class .= ' ' . $params['class'];
+}
+if (!isset($params['escape']) || $params['escape'] !== false) {
+    $message = h($message);
+}
+?>
+<div class="<?= h($class) ?>" onclick="this.classList.add('hidden');"><?= $message ?></div>