Check 04 copy directory

Description of the cross-check process 04-copy-directory:

Video with the example of cross-check

1. Check the code for the presence of synchronous methods of the fs module (you can use the ctrl/cmd + f key combination and enter Sync in the search field that appears) and setTimeout(). If synchronous methods or a timer are used, the task is considered not completed - 0 points.
2. Check the index.js file for the presence of the experimental function fsPromises.cp(). If this function is used, the task is considered not completed - 0 points.
3. Open the files folder and make sure it is not empty. Otherwise, create several files at your discretion.
4. In the root directory of the repository, execute the command node 04-copy-directory.
5. After the script execution is complete, check the 04-copy-directory folder for the presence of the created files-copy folder with an exact copy of the content of the original files folder.
   If this folder is missing or its content does not match the content of the files folder, the task is considered not completed - 0 points.
6. Add several new files to the files folder and delete one of the previously existing ones. Run the command node 04-copy-directory.
7. Ensure that the content of the files-copy folder is updated and corresponds to the content of the files folder. If an error occurred during execution or the state of the files-copy folder was not updated, the task is considered not completed - 0 points.

If all points are successfully checked, 20 points are awarded for the task.