revamp tabs for better layout

[SahilAujla]

Description

API Overview Page / Get started page

Added product category cards, reorganized Node/Data/Wallets/Rollups into visual card groups, introduced proper icons instead of arrow graphics, and included Yellowstone gRPC under Node. Changed the slug to /get-started and added redirects.

Node API Page

Updated the Node API landing page to add icons for websockets, trace, debug and yellowstone grpc. Changed the slug to /node and title of the tab to Node and added redirects.

Chains Page

Changed the slug to /chains and added redirects.

Data Page

Added icons for data apis, made content concise & changed the slug to /data and added redirects.

Rollups Page

Change the grip of supported frameworks to 3 cols for better display and change the slug to /rollups and add redirects.

Testing

• I have tested these changes locally
• I have run the validation scripts (pnpm run validate)
• I have checked that the documentation builds correctly

[github-actions]

🌿 Documentation Preview

Name	Status	Preview	Updated (UTC)
Alchemy Docs	✅ Ready	🔗 Visit Preview	Nov 14, 2025, 9:39 PM

[Copilot]

Pull Request Overview

This PR revamps the API overview page to improve its structure, readability, and user experience. The changes modernize the documentation layout and enhance the presentation of Alchemy's API offerings.

Key Changes:

• Added visual card-based navigation for the four main product categories at the top
• Reorganized content with clearer section headers and improved descriptions
• Added new cards for Chains and Yellowstone gRPC in the Node API section

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