fix: update demo links to point to main project repository

- Changed GitHub Pages links from personal repo to vllm-project repository
- Ensures demo will work once PR is merged to main
- Provides correct canonical URL for PyPI and documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>
Signed-off-by: Yossi Ovadia <[email protected]>

Author: yossiovadia

e2e-tests/llm-katan/README.md

@@ -2,6 +2,8 @@
 
 A lightweight LLM serving package using FastAPI and HuggingFace transformers, designed for testing and development with real tiny models.
 
+> **🎬 [See Live Demo](https://vllm-project.github.io/semantic-router/e2e-tests/llm-katan/terminal-demo.html)** - Interactive terminal showing multi-instance setup in action!
+
 ## Features
 
 - 🚀 **FastAPI-based**: High-performance async web server
@@ -66,7 +68,7 @@ llm-katan --model Qwen/Qwen3-0.6B --port 8000 --backend vllm
 
 ### Multi-Instance Testing
 
-**🎬 [Live Demo](https://yossiovadia.github.io/semantic-router/e2e-tests/llm-katan/terminal-demo.html)** - See this in action with animated terminals!
+**🎬 [Live Demo](https://vllm-project.github.io/semantic-router/e2e-tests/llm-katan/terminal-demo.html)** - See this in action with animated terminals!
 
 > *Note: If GitHub Pages isn't enabled, you can also [download and open the demo locally](./terminal-demo.html)*