Bug fix: bring back missing webRoot variable

src/Handler.php

@@ -179,6 +179,7 @@ class Handler extends BaseHandler {
       // Directory where Drupal's index.php is located.
       $webRoot = dirname($corePath);
     }
+    $this->config->setValue('webRoot', $webRoot, FALSE);
 
     // Directory where the root project is being created.
     $projectRoot = getcwd();