Draft: Example to show how a new bundle is created

bundles/myuni-relay-my-bundle/src/DependencyInjection/Configuration.php

+<?php
+
+declare(strict_types=1);
+
+namespace Myuni\Relay\MyBundleBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class Configuration implements ConfigurationInterface
+{
+    public function getConfigTreeBuilder(): TreeBuilder
+    {
+        $treeBuilder = new TreeBuilder('myuni_relay_my_bundle');
+
+        return $treeBuilder;
+    }
+}