What is the improvement or update you wish to see?

Documentation on supporting users who have migrated to the new eslint.config.js config file or who want to continue to use estlintrc but run >= v9 of eslint

Aiming to take a look at this myself, but flagging in case someone has more time to spend on this or a solution already

Is there any context that might help us understand?

With the recent v9 release of eslint, it now uses flat config files by default and support for the deprecated eslintrc config file will be removed entirely in v10

Does the docs page already exist? Please link to it.

https://turbo.build/repo/docs/handbook/linting/eslint