Hi Yassine,
We do not create robots.txt file and do not provide any instructions. You can find some tutorials over the internet like this one:
https://www.liquidweb.com/kb/create-a-robots-txt-file/
https://developers.google.com/search/docs/crawling-indexing/robots/intro
https://www.elegantthemes.com/blog/tips-tricks/how-to-create-and-configure-your-robots-txt-file
...................................................
Sincerely,
Anna T
Nicepage Support Team
Please subscribe to our YouTube channel: http://youtube.com/nicepage?sub_confirmation=1
Follow us on Facebook: http://facebook.com/nicepageapp