Update AI Studio Page with Latest Product Updates

[jaycoolslm]

Problem

https://docs.hedera.com/hedera/open-source-solutions/ai-studio-on-hedera/hedera-ai-agent-kit

This page contains outdated information.

Solution

Implement changes suggested in this doc: https://docs.google.com/document/d/1b_tkjhqVwg7cRGESr4TIp7pvstFhqlJvEzsazT9Gtxw/edit?tab=t.0

Alternatives

No response