feat: also expose as module

Which will allow usage of the factories in laminas-mvc.

Signed-off-by: Matthew Weier O'Phinney <matthew@weierophinney.net>

composer.json

@@ -27,7 +27,8 @@
             "dev-release-1.8": "1.8.x-dev"
         },
         "laminas": {
-            "config-provider": "Laminas\\Diactoros\\ConfigProvider"
+            "config-provider": "Laminas\\Diactoros\\ConfigProvider",
+            "module": "Laminas\\Diactoros"
         }
     },
     "require": {

src/Module.php

@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * @see       https://github.com/laminas/laminas-diactoros for the canonical source repository
+ * @copyright https://github.com/laminas/laminas-diactoros/blob/master/COPYRIGHT.md
+ * @license   https://github.com/laminas/laminas-diactoros/blob/master/LICENSE.md New BSD License
+ */
+
+declare(strict_types=1);
+
+namespace Laminas\Diactoros;
+
+class Module
+{
+    public function getConfig(): array
+    {
+        return [
+            'service_manager' => (new ConfigProvider())->getDependencies(),
+        ];
+    }
+}