app/resources/routes/api/external.php

@@ -0,0 +1,10 @@
+<?php
+$app->group('/external', function($app) {
+    $files = new FilesystemIterator(implode(DIRECTORY_SEPARATOR, [__DIR__, 'external']));
+    foreach ($files as $file) {
+        if ($file->isDir()) {
+            continue;
+        }
+        include_once $file->getRealPath();
+    }
+});