Preserve HF README

docs: update README

refactor: refine text normalization and bilingual chat UI behavior

feat: add GitHub Actions workflow for automatic deploying to Hugging Face Space

fix: suppress sources and use static ticket message during actions

refactor: remove unused refresh button and caching for ticket loading

docs: update README.md

feat: deploy FastAPI application on Hugging Face

feat: add Dockerfile for application setup and dependencies

docs: enhance README and improve Streamlit interface

feat: initial Telecom RAG system implementation