Dropped Integrations module and created LICENSE files for new modules

module/Rest/src/Middleware/EmptyResponseImplicitOptionsMiddlewareFactory.php

@@ -0,0 +1,17 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\Middleware;
+
+use Zend\Diactoros\Response\EmptyResponse;
+use Zend\Expressive\Router\Middleware\ImplicitOptionsMiddleware;
+
+class EmptyResponseImplicitOptionsMiddlewareFactory
+{
+    public function __invoke()
+    {
+        return new ImplicitOptionsMiddleware(function () {
+            return new EmptyResponse();
+        });
+    }
+}