Provide some javascript API to support customize plugin

[GeorgeHcc]

Is there a plan to provide some javascript API to support plugin？

or customize Linter plugins/rules with eslint like.

Sometimes we need some custom rules in our team really

[ematipico]

You can use https://www.npmjs.com/package/@biomejs/js-api for the time being

For "JavaScript plugins", follow the discussion #1649