Merge pull request #5 from jc91715/master

通过配置文件，支持加载Vbot扩展

Author: kcloze

config.php

@@ -73,6 +73,9 @@
            'nickname' => '',
        ],
    ],
+    'load-extension'=>[
+       //\Vbot\GuessNumber\GuessNumber::class
+    ],
    'params'=> [
        'tulingApi'=> 'http://www.tuling123.com/openapi/api',
        'tulingKey'=> '',

src/Robots.php

@@ -28,6 +28,7 @@ public function run()
             $reply=new Reply($message, $this->options);
             $reply->send();
         });
+        $this->robot->messageExtension->load($this->options['load-extension']);
         $this->robot->server->serve();
     }
 }