feat(router): add type safety to `json` & `redirect` functions

[MichaelDeBoey]

This PR brings these functions in line with what we have in the Remix repo

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Latest commit: 07917876cca85e8d7ba7abb57126d41c59162a95

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[brophdawg11]

I think we may want to close this and let https://github.com/remix-run/react-router/discussions/9854 handle all data-typings together?

[brophdawg11]

oh I see you have a separate PR for useLoaderData too. I linked to that from the proposal, once that gets accepted maybe we can just run with these PRs then!

[brophdawg11]

Doing some housecleaning to start 2023 so I'm going to lose these 2 PRs out until the proposal gets accepted and we can re-open or bring along the changes then 👍

[MichaelDeBoey]

Re-opening because @brophdawg11 started with https://github.com/remix-run/remix/pull/5679

[brophdawg11]

Let's hold on this for a bit longer, we have some APIs coming in Remix v3 (which will come through RR) that may or may not make these typings obsolete :). But at the very least we should wait to make sure that anything we do for typings on these functions plays nicely with the upcoming v3 APIs

[brophdawg11]

Closing for now - will re-open if/when we want to add these 👍