This PR extends our JS configuration to CSS migration by also allowing `plugins` with options.
An example of such config would be:
```js
import { type Config } from 'tailwindcss'
import myPlugin from "./myPlugin";
export default {
plugins: [
myPlugin({
class: "tw",
}),
],
} satisfies Config;
```
If the option object contains only values allowed in our CSS API, we can convert this to CSS entirely:
```css
@plugin './myPlugin' {
class: 'tw';
}
```
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