Moved some elements in Common module to more proper locations

module/Integrations/config/dependencies.config.php

@@ -0,0 +1,16 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Integrations;
+
+use Zend\Expressive\Router\Middleware\ImplicitOptionsMiddleware;
+
+return [
+
+    'dependencies' => [
+        'factories' => [
+            ImplicitOptionsMiddleware::class => Middleware\EmptyResponseImplicitOptionsMiddlewareFactory::class,
+        ],
+    ],
+
+];