Initial Drupal 11 with DDEV setup

web/core/modules/help/help.module

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @file
+ */
+
+/**
+ * Implements hook_preprocess_HOOK() for block templates.
+ */
+function help_preprocess_block(&$variables): void {
+  if ($variables['plugin_id'] == 'help_block') {
+    $variables['attributes']['role'] = 'complementary';
+  }
+}
+
+/**
+ * Ensure that search is updated when extensions are installed or uninstalled.
+ *
+ * @param string[] $extensions
+ *   (optional) If modules are being uninstalled, the names of the modules
+ *   being uninstalled. For themes being installed/uninstalled, or modules
+ *   being installed, omit this parameter.
+ */
+function _help_search_update(array $extensions = []): void {
+  // Early return if search is not installed or if we're uninstalling this
+  // module.
+  if (!\Drupal::hasService('plugin.manager.search') ||
+    in_array('help', $extensions)) {
+    return;
+  }
+
+  // Ensure that topics for extensions that have been uninstalled are removed
+  // and that the index state variable is updated.
+  $help_search = \Drupal::service('plugin.manager.search')->createInstance('help_search');
+  $help_search->updateTopicList();
+  $help_search->updateIndexState();
+}