Add $_SERVER['DOCUMENT_ROOT'] to CraftValetDriver

Author: eriweb

cli/drivers/CraftValetDriver.php

@@ -191,6 +191,7 @@ public function frontControllerPath($sitePath, $siteName, $uri)
         $_SERVER['SERVER_NAME'] = $_SERVER['HTTP_HOST'];
         $_SERVER['SCRIPT_NAME'] = $scriptName;
         $_SERVER['PHP_SELF'] = $scriptName;
+        $_SERVER['DOCUMENT_ROOT'] = $sitePath.'/'.$frontControllerDirectory;
 
         return $indexPath;
     }