Require profile method

Author: WyriHaximus

src/AsyncClientInterface.php

@@ -13,6 +13,8 @@ public function withOutAccessToken(): AsyncClient;
 
     public function getCommandBus(): CommandBusInterface;
 
+    public function profile(): PromiseInterface;
+
     public function user(string $user): PromiseInterface;
 
     public function stream(): AsyncStreamingClient;