feat: update index.md to enhance documentation with new features and …

[hannesrudolph]

…resources

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
roo-code-docs	Ready	Preview	Comment	Oct 20, 2025 5:01pm

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[roomote]

Code Review Complete

I've reviewed the changes in this pull request. No issues were found that require attention.

The changes successfully:

• Update the landing page content with a more direct introduction
• Add embedded tutorial video thumbnails in a grid layout
• Reorganize the page structure for better user experience
• Follow all project conventions and standards

All video references are validated against the tutorial-videos.json source, internal links follow the .roorules format, and the JSX/MDX syntax is appropriate for Docusaurus.

[Copilot]

Pull Request Overview

This PR updates the documentation homepage to provide a more streamlined and engaging introduction to Roo Code, emphasizing its AI capabilities and adding video tutorials for better user onboarding.

Key changes:

• Revised the introductory description to emphasize Roo Code's advanced AI capabilities and positioning
• Restructured content by removing detailed feature sections in favor of embedded video tutorials
• Added a new video gallery section with six tutorial videos covering installation, profiles, indexing, custom modes, checkpoints, and todo lists

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