Add SettingEntity and SettingsRepository

[MAILPOET-2436]

lib/Settings/SettingsRepository.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace MailPoet\Settings;
+
+use MailPoet\Doctrine\Repository;
+use MailPoet\Entities\SettingEntity;
+
+/**
+ * @method SettingEntity[] findBy(array $criteria, array $order_by = null, int $limit = null, int $offset = null)
+ * @method SettingEntity|null findOneBy(array $criteria, array $order_by = null)
+ * @method SettingEntity|null findOneById(mixed $id)
+ * @method SettingEntity[] findAll()
+ * @method void persist(SettingEntity $entity)
+ * @method void remove(SettingEntity $entity)
+ */
+class SettingsRepository extends Repository {
+  protected function getEntityClassName() {
+    return SettingEntity::class;
+  }
+}