docs: add link to node terminate description

GUIDE.md

@@ -153,4 +153,4 @@ When you don't need microjob anymore, you can shut it down with the `stop` funct
 })()
 ```
 
-`stop` ensures that every worker of the worker pool is terminated.
+`stop` ensures that every worker of the worker pool is [terminated](https://nodejs.org/api/worker_threads.html#worker_threads_worker_terminate_callback).