README update

[thomasyuill-livekit]

Summary

• Updates the README to highlight the new Agents UI (Shadcn-based components) as the primary focus of the SDK
• Replaces the hero image with new dark/light mode responsive images
• Adds installation instructions for the Agents UI registry and CLI-based component installation
• Updates the quick start example to use AgentSessionProvider, AgentControlBar, AgentChatTranscript, and AgentAudioVisualizerBar components
• Removes the Video Conference Quick Start section to streamline the documentation toward agentic experiences
• Updates the Examples section to point to the new agent-starter-react repository

Demo

Preview the changes here

https://github.com/livekit/components-js/blob/dead771acecb7a230e2ce9b80fbda141a845dbea/README.md

Test plan

• Verify README renders correctly on GitHub (light and dark mode hero images)
• Confirm all links in the README are valid
• Verify the code example is syntactically correct

[changeset-bot]

⚠️ No Changeset found

Latest commit: 003ff8a

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[github-actions]

size-limit report 📦

Path	Size
LiveKitRoom only	6 KB (0%)
LiveKitRoom with VideoConference	32.46 KB (0%)
All exports	43.39 KB (0%)