Other various changes

public/index.php

@@ -2,6 +2,11 @@
 
 use App\Kernel;
 
+if (preg_match("/js\/data\.json$/", $_SERVER['REQUEST_URI'])) {
+    print file_get_contents('js/data.json');
+    exit;
+}
+
 require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
 
 return function (array $context) {