create comment classes

public/site/plugins/comments/src/Comment.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace adrienpayet\comments;
+
+class Comment extends BaseComment
+{
+  protected $position;
+
+  public function __construct($data) {
+    parent::__construct($data);
+    $this->position = $data['position'] ?? null;
+  }
+
+  public function position() {
+    return $this->position;
+  }
+
+  public function toArray() {
+    $array = parent::toArray();
+    $array['position'] = $this->position;
+
+    return $array;
+  }
+}