Update README.md

Update README.md

Update README.md

fixed all bugs

Update README.md

Update README.md

Update README.md

Update README.md

updated documents

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Update README.md

Update to latest libraries: Gradio 5+, Pydantic v2, LlamaIndex 0.10+

Restore missing dependencies and add hackathon tags

Pin Gradio and Pydantic versions to fix schema error

Switch to Gradio SDK and fix configuration

Initial deployment of AI Digital Library Assistant

initial commit