docs(landing): sync right-side preview on hover in LandingSweetSpot

[Biki-dev]

Summary

Improves the LandingSweetSpot section on the homepage by making the right-side preview update immediately when hovering any item (Tables, List, Charts, Forms, Wizards, Authentication). This also pauses the auto-rotation while hovering for better control and user experience.

Before

• The right-side UI/code preview did not change immediately when hovering.
• Hovering only affected the left-side button styles, not the actual content.

After

• Hovering an item instantly updates the right-side preview.
• Auto-rotation pauses while hovering for better interaction control.

fix.mp4

Changes

• Updated LandingSweetSpot.tsx:
  • Add isHovering state to pause auto-rotation.
  • Update activeIndex on hover.
  • Prevent interval from running during hover.
  • Maintains smooth fade/slide animations with framer-motion.

[changeset-bot]

⚠️ No Changeset found

Latest commit: d59a39c

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[Biki-dev]

This PR modifies documentation only (Docusaurus), so no changeset is required. Ready for review.
@BatuhanW @aliemir