Added first version.

module.php

@@ -0,0 +1,107 @@
+<?php
+
+use Lewp\Resolve;
+use Lewp\Config;
+
+return new class extends Lewp\Module
+{
+
+    const KEY_ORDERED_LIST = "is_ordered";
+    const KEY_HEADING = "heading";
+    const KEY_HEADING_ELEMENT = "heading_element";
+    const KEY_LIST = "list";
+    const KEY_LIST_ITEM_TITLE = "title";
+    const KEY_LIST_ITEM_HREF = "href";
+    const KEY_JSON_FILE = "json_file";
+
+    const DEFAULT_IS_ORDERED = true;
+    const DEFAULT_HEADING_ELEMENT = "div";
+
+    private function loadData(string $filename)
+    {
+        return $this->loadJsonFile(Resolve::arrayToId([$this->getPageId(), $filename]));
+    }
+
+    private function createHeading(string $heading_element, string $heading)
+    {
+        return $this->createAndSetupElement(
+            $heading_element,
+            $heading,
+            [
+                "class" => "heading"
+            ]
+        );
+    }
+
+    private function createList(
+        array $list_items,
+        bool $is_ordered = self::DEFAULT_IS_ORDERED
+    ) {
+        if ($is_ordered) {
+            $list = $this->createElement("ol");
+        } else {
+            $list = $this->createElement("ul");
+        }
+        $list->setAttribute("class", "list");
+
+        $this->appendListItems($list, $list_items);
+        return $list;
+    }
+
+    private function appendListItems(&$list, array $list_items)
+    {
+        foreach ($list_items as $item) {
+            $a = $this->createAndSetupElement(
+                'a',
+                $item[self::KEY_LIST_ITEM_TITLE],
+                [
+                    "href" => $item[self::KEY_LIST_ITEM_HREF]
+                ]
+            );
+
+            $li = $this->createAndSetupElement(
+                'li',
+                '',
+                [
+                    "class" => "list-item"
+                ]
+            );
+            $li->appendChild($a);
+            $list->appendChild($li);
+        }
+    }
+
+    public function run(array $options = []) : bool
+    {
+        $filename = $options[self::KEY_JSON_FILE];
+        if (isset($filename)) {
+            $options = array_merge($options, $this->loadData($options[self::KEY_JSON_FILE]));
+        }
+        if (!isset($options)) {
+            trigger_error(
+                'Module: '.$this->getModuleId().": ".
+                'The specified JSON file "'.$filename.'"seems to be invalid. Please check it!',
+                E_USER_WARNING
+            );
+        }
+        // add default configuration
+        $options += [
+            self::KEY_ORDERED_LIST => self::DEFAULT_IS_ORDERED,
+            self::KEY_HEADING_ELEMENT => self::DEFAULT_HEADING_ELEMENT
+        ];
+        // add heading if defined
+        if (isset($options[self::KEY_HEADING])) {
+            $this->appendChild(
+                $this->createHeading($options[self::KEY_HEADING_ELEMENT],
+                $options[self::KEY_HEADING])
+            );
+        }
+        // add list
+        if (!empty($options[self::KEY_LIST])) {
+            $this->appendChild(
+                $this->createList($options[self::KEY_LIST], $options[self::KEY_ORDERED_LIST])
+            );
+        }
+        return true;
+    }
+};