Tmp switch to 0.5B for debug

Switch to Qwen 2.5 Coder 3B for better coding perfs

Add debug prints and sanitize messages

Disable SSR mode to fix 405 error

Update app.py

Update app.py

Update app.py

Update requirements.txt

Update app.py

Create requirements.txt

Create app.py

initial commit

Duplicate from gradio-templates/chatbot