Make Reader and Query implement interfaces so that their mocking …

…is easier, fixes #201

src/Provider/Doctrine/Persistence/Reader/Query.php

@@ -20,7 +20,7 @@
 /**
  * @see QueryTest
  */
-final class Query
+final class Query implements QueryInterface
 {
     /**
      * @var string

src/Provider/Doctrine/Persistence/Reader/QueryInterface.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace DH\Auditor\Provider\Doctrine\Persistence\Reader;
+
+interface QueryInterface {}

src/Provider/Doctrine/Persistence/Reader/Reader.php

@@ -19,7 +19,7 @@
 /**
  * @see ReaderTest
  */
-final readonly class Reader
+final readonly class Reader implements ReaderInterface
 {
     /**
      * @var int

src/Provider/Doctrine/Persistence/Reader/ReaderInterface.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace DH\Auditor\Provider\Doctrine\Persistence\Reader;
+
+interface ReaderInterface {}