add default route

web/index.php

@@ -46,6 +46,12 @@ function opengraph(string $url) : array
     return json_decode(json_encode($object), true);
 }
 
+SimpleRouter::get('/', function() {
+    return response()
+        ->httpCode(200)
+        ->json([]);
+});
+
 SimpleRouter::get('/do/{parser}', function ($parser) {
     $url = input()->get('url')->value;