Add required routes.php file

Http/routes.php

@@ -0,0 +1,20 @@
+<?php
+/*
+ SPDX-License-Identifier: AGPL-3.0-only
+ SPDX-FileCopyrightText: © 2024 Millions Missing FRANCE <info@millionsmissing.fr>
+ */
+
+use Helper;
+
+use Illuminate\Support\Facades\Route;
+
+Route::group(
+	[
+		'middleware' => 'web',
+		'prefix'     => Helper::getSubdirectory(),
+		'namespace'  => 'Modules\MMFCustomersGroups\Http\Controllers'
+	],
+	function() {
+		// TODO
+	}
+);