Move source files directly under src/ directory

src/Repository/ConfigRepository.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Wallabag\CoreBundle\Repository;
+
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+use Wallabag\CoreBundle\Entity\Config;
+
+/**
+ * @method Config|null findOneByUser(int $userId)
+ */
+class ConfigRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, Config::class);
+    }
+}