feat: GetPage endpoint

src/Domain/Reader/Application/Query/GetChapterPage.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain\Reader\Application\Query;
+
+final readonly class GetChapterPage
+{
+    public function __construct(
+        private string $chapterId,
+        private int $pageNumber
+    ) {
+    }
+
+    public function getChapterId(): string
+    {
+        return $this->chapterId;
+    }
+
+    public function getPageNumber(): int
+    {
+        return $this->pageNumber;
+    }
+}