The hero carousel video card and use-cases grid image card already had
role="button", tabIndex={0}, and onKeyDown handlers. Adds the missing
aria-label so screen readers announce what each clickable card does.
Both cards now use aria-label={`Expand ${title}`}, matching the example
in the issue.
Fixes#913
- Replace raw <img> with Next.js Image in markdown-viewer.tsx
- Use next/image with fill + sizes in assistant-ui image.tsx
- Optimize favicons with explicit dimensions in citation components
- Set unoptimized=true for data/blob URLs and external favicons
- Added a section on real-time collaboration in all language-specific README files, detailing how to invite members and chat in real-time.
- Included visual elements to enhance user understanding of the new features.
- Updated the homepage to include new use cases for real-time chat and comments, improving the overall user experience.
- Added the 'lenis' library for smooth scrolling functionality.
- Integrated 'UseCasesGrid' component into the homepage layout.
- Updated 'HeroSection' to replace image elements with 'WalkthroughScroll' for enhanced user experience.
