refactor logging setup and enhance retrieval functionality

add hf space link and fix project header image

Shorten Space short_description to fit 60 char limit

Add HF Space troubleshooting doc

add vector database folder and update readme file for hf space config

update readme of gradio interface

add .gitattributes and the image files format

feat: add frontend module with Gradio interface for LangGraph Agentic RAG application, including document formatting and streaming response functionality

feat: extend ingestion module by adding load_documents and split_documents functions, enhancing document loading with metadata handling and logging for better traceability.

chore: update dependencies in pyproject.toml and requirements.txt; added gradio and beautifulsoup4, and modified uv.lock for new package resolutions

feat: enhance document ingestion process by adding document loading, metadata display, and chunk information logging. Updated vector store ingestion to use settings for persistence directory.

Initial commit: extract langgraph agentic rag project into standalone repository