docs：Add unstable_HistoryRouter to the api.md document

[hsbtr]

A great idea

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[remix-cla-bot]

Thank you for signing the Contributor License Agreement. Let's get this merged! 🥳

[hornta]

Why is this on hold? It's clearly a feature that needs to be documented even though it's marked as unstable.

[timdorr]

Some of the grammar was kind of awkward (I don't believe English is @hsbtr's first language). I reworded it for clarity now.

Thanks!

[hsbtr]

Some of the grammar was kind of awkward (I don't believe English is @hsbtr's first language). I reworded it for clarity now.

Thanks!

Your guess is correct, English is indeed not my first language, thank you very much for pointing out and correcting my grammatical mistakes

[timdorr]

Thanks for getting things started in the first place!

[chris-muiru]

am facing this errors
export 'useHistory' (imported as 'useHistory') was not found in 'react-router-dom'
export 'Redirect' (imported as 'Redirect') was not found in 'react-router-dom'

[hsbtr]

am facing this errors export 'useHistory' (imported as 'useHistory') was not found in 'react-router-dom' export 'Redirect' (imported as 'Redirect') was not found in 'react-router-dom'

Two APIs have been removed in the V6 version, you can pay attention to useLoaction and Navigate