Moved from "app/src" to "app/application".

Otherwise phpstorm doesn't understand the paths correctly. He thinks that this is not a complete application, but a package. And when creating a class, the namespace indicates “app” with a small letter, but should be “App”.

app/application/app/Dto/Service/Admin/Project/Languages.php

@@ -0,0 +1,18 @@
+<?php declare(strict_types=1);
+
+namespace App\Dto\Service\Admin\Project;
+
+final class Languages
+{
+    private $languages = [];
+
+    public function addLanguage(Language $language): void
+    {
+        $this->languages[] = $language;
+    }
+
+    public function getLanguages(): array
+    {
+        return $this->languages;
+    }
+}