#68 Add support for invoice ninja

src/Handler.php

@@ -221,6 +221,9 @@ class Handler extends BaseHandler {
         'enable' => $this->env->receiveGlobal('UNLIGHTHOUSE', 'Unlighthouse', '0'),
         'urlprefix' => '',
       ],
+      'invoiceninja' => [
+        'enable' => 0,
+      ],
     ];
   }