readd method property to FortniteAPIError

Author: lotte25

src/exceptions/FortniteAPIError.ts

@@ -5,6 +5,11 @@ import { FortniteAPIErrorData } from '../http/httpStructs';
  * Represets a Fortnite-API HTTP error
  */
 class FortniteAPIError extends Error {
+  /**
+   * The HTTP method
+   */
+  public method: string;
+  
   /**
    * The URL of the requested API endpoint
    */