feat: add readme

minor fixes-2

change to grok

minor fixes

Revert "minor fixes"

minor fixes

feat: implement advanced RAG pipeline (cross-encoder, contextual chunks, streaming, confidence gating)

fix: update requirements.txt

fix: add expand query checkbox

minor fixes

fix: move theme to Blocks, add chatbot type=messages

fix: update requirements.txt

minor fixes

fix: add rank-bm25 to requirements

fix: improve the querying mechanism(bm25_index and query expansion)

fix: change the chunk and overlap size

fix: increase max output token limit

fix Gradio compatibility: move theme to Blocks, add chatbot type

fix: Add gradio to requirements.txt for deployment

Initial deploy: RAG Document Q&A

initial commit