I wonder if there will be an "operator.txt" or something akin to a "robots.txt" where the owner of a web site can place special instructions - I recently worked

I wonder if there will be an "operator.txt" or something akin to a "robots.txt" where the owner of a web site can place special instructions - I recently worked on a Custom GPT for "operating" a management API, and found myself needing to give a bunch of hints and examples in the prompt for things that would probably have been obvious to a human but GPT-4o got wrong.