feat: add config option to change response key

Author: Mike Harrison

config/api-debugger.php

@@ -18,4 +18,6 @@
         // Memory usage.
         \Lanin\Laravel\ApiDebugger\Collections\MemoryCollection::class,
     ],
+
+    'response_key' => env('API_DEBUGGER_KEY', 'debug')
 ];

src/Debugger.php

@@ -16,7 +16,7 @@ class Debugger
     /**
      * @var string
      */
-    protected $responseKey = 'debug';
+    protected $responseKey;
 
     /**
      * @var Storage
@@ -39,6 +39,8 @@ public function __construct(Storage $storage, Event $event)
         $this->storage = $storage;
         $this->event = $event;
 
+        $this->responseKey = config('api-debugger.response_key', 'debug');
+
         $this->event->listen(RequestHandled::class, function (RequestHandled $event) {
             $this->updateResponse($event->request, $event->response);
         });