docs, react: improve docs with fumadocs, add examples and new methods

[damianricobelli]

Description

• Add documentation examples
• Add the index of the current step to the useStepper hook to avoid having to do a findIndex if we need this value.

Related Issues

• Issue: #48

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🦋 Changeset detected

Latest commit: 03c8ac7fe15ce4393bfcef88429e4769f5609fc8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | ----------------- | ----- | | docs | Patch | | @stepperize/react | Patch |

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Name	Status	Preview	Comments	Updated (UTC)
stepperize	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 12, 2024 6:12pm

[wottpal]

Just checked it out and the new forms example looks amazing. One minor heads up, the step-titles/buttons seem to be clickable/navigatable-to regardless of an invalid form state.

[VinczeBertold]

Just checked it out and the new forms example looks amazing. One minor heads up, the step-titles/buttons seem to be clickable/navigatable-to regardless of an invalid form state.

Very easy to fix, just change the onClick to the following:

onClick={() => {
    form.handleSubmit((values) => {
      stepper.goTo(step.id);
    })();
  }}