Added sendMessage method

src/Models/Message.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models;
+
+/**
+ * Message.
+ */
+final readonly class Message extends AbstractModel
+{
+    /**
+     * @param MessageBody $body Body of created message. Text + attachments.
+     */
+    public function __construct(
+        public MessageBody $body,
+    ) {
+    }
+}