Add Creative Elements templates and update index files

- Introduced new templates for catalog, checkout, contact, and error pages.
- Implemented caching headers and redirection in index.php files across various directories.
- Enhanced product and layout templates for better integration with Creative Elements.
- Added backoffice header styles and scripts for improved UI/UX in the admin panel.

modules/creativeelements/includes/editor-templates/global.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Creative Elements - live Theme & Page Builder
+ *
+ * @author    WebshopWorks, Elementor
+ * @copyright 2019-2022 WebshopWorks.com & Elementor.com
+ * @license   https://www.gnu.org/licenses/gpl-3.0.html
+ */
+
+namespace CE;
+
+defined('_PS_VERSION_') or die;
+?>
+<script type="text/template" id="tmpl-elementor-empty-preview">
+    <div class="elementor-first-add">
+        <div class="elementor-icon eicon-plus"></div>
+    </div>
+</script>
+
+<script type="text/template" id="tmpl-elementor-preview">
+    <div class="elementor-section-wrap"></div>
+</script>
+
+<script type="text/template" id="tmpl-elementor-add-section">
+    <div class="elementor-add-section-inner">
+        <div class="elementor-add-section-close">
+            <i class="eicon-close" aria-hidden="true"></i>
+            <span class="elementor-screen-only"><?= __('Close') ?></span>
+        </div>
+        <div class="elementor-add-new-section">
+            <div class="elementor-add-section-area-button elementor-add-section-button"
+                title="<?= __('Add New Section') ?>">
+                <i class="eicon-plus"></i>
+            </div>
+            <div class="elementor-add-section-area-button elementor-add-template-button"
+                title="<?= __('Add Template') ?>">
+                <i class="fa fa-folder"></i>
+            </div>
+            <div class="elementor-add-section-drag-title"><?= __('Drag widget here') ?></div>
+        </div>
+        <div class="elementor-select-preset">
+            <div class="elementor-select-preset-title"><?= __('Select your Structure') ?></div>
+            <ul class="elementor-select-preset-list">
+            <#
+            var structures = [ 10, 20, 30, 40, 21, 22, 31, 32, 33, 50, 60, 34 ];
+
+            _.each( structures, function( structure ) {
+                var preset = elementor.presetsFactory.getPresetByStructure( structure ); #>
+
+                <li class="elementor-preset elementor-column elementor-col-16" data-structure="{{ structure }}">
+                    {{{ elementor.presetsFactory.getPresetSVG( preset.preset ).outerHTML }}}
+                </li>
+                <#
+            } ); #>
+            </ul>
+        </div>
+    </div>
+</script>
+
+<script type="text/template" id="tmpl-elementor-tag-controls-stack-empty">
+    <?= __('This tag has no settings.') ?>
+</script>