Add key based genericConfig

app/Template/routes.php

@@ -9,4 +9,4 @@ foreach ($this->routes->getRoutes() as $route) {
         $route->getMethod()
     );
 }
-?>
+?>

app/config.example.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App;
+
+use Ardent\Undercurrent\Config\GenericConfig;
+
+return new GenericConfig([
+    'key' => 'value',
+]);