Update Dockerfile to streamline application file copying and create README if missing; revise README.md for clarity on Hugging Face deployment.

Refactor app.py to transition from Flask to FastAPI, enhancing the API with WebSocket support for real-time notifications, improved session handling, and background processing for unanswered questions. Update Dockerfile for compatibility with FastAPI and streamline application setup. Revise README.md to reflect new features and API endpoints.

Implement initial project structure and setup

initial commit