code: @RequestMapping(method = POST)
      public void handle(@Valid @RequestBody P payload) {
          logger.debug("{} handlers", handlers.size());
          for (H handler : handlers) {
              executor.execute(runnableHandler(handler, payload));
          }
      }
docs: Handle the incoming payload.
  
  <p>
  Upon receipt of a payload, the specialized payload
  {@link com.github.shredder121.gh_event_api.handler handlers} are called that are registered for that particular event.
  </p>
  
  @param payload the payload received