Update AdvancedWebAppInterface.php

Author: wehowski

src/Frdlweb/AdvancedWebAppInterface.php

@@ -52,7 +52,7 @@ public function deleteShared(string $sharedId, string $appOrScheme);
   public function hasShared(string $sharedId, string $appOrScheme = null) : bool;
   public function hasContainer(): bool;
   public function terminate(int $timelimit = null);
-  public function exec(string | array $args);
+  public function exec(string | array $args, bool $needResultCode = false);
   /*
   //public function findAppDir(string $userdir = null, $create = false);
     public function main(string $alias = null);