feat: FAQ overview element on TYPO3 13

Restored from a46918d (the FAQ page /skireisen/infos/allgemeine-infos/faqs/);
markup matches TYPO3 10.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

packages/ep_theme/Configuration/TCA/Overrides/tt_content_element_faq_overview.php

@@ -0,0 +1,30 @@
+<?php
+
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+
+defined('TYPO3') or die();
+
+call_user_func(function() {
+    $frontendLanguageFilePrefix = 'LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:';
+
+    ExtensionManagementUtility::addTcaSelectItem(
+        'tt_content',
+        'CType',
+        [
+            'label' => 'FAQ Alle Kategorien',
+            'value' => 'faq_overview',
+            'icon' => 'content-ep_theme-ce',
+        ],
+        'lineup',
+        'after'
+    );
+
+    $GLOBALS['TCA']['tt_content']['types']['faq_overview'] = [
+        'showitem' => '
+            --palette--;' . $frontendLanguageFilePrefix . 'palette.general;general,
+        --div--;' . $frontendLanguageFilePrefix . 'tabs.access,
+            hidden;' . $frontendLanguageFilePrefix . 'field.default.hidden,
+        --div--;' . $frontendLanguageFilePrefix . 'tabs.extended
+        ',
+    ];
+});