Clarify LLM usage and features in README

Add support for L2 and cosine similarity in FAISS

Merge branch 'main' of https://github.com/NMAnuda/-Internal_Knowledge_Assistant-RAG_System-Django-

Add selfhosted LLM instead of Gemini

Update README.md

Update README.md

Create README.md

confidence add to the chat history . and fix front end navigation issues

build front end

add RAG Evaluation System

add authentications

Update Rag system with Role

Remove .env from repo and add to .gitignore

Merge branch 'main' of https://github.com/NMAnuda/Company_Internal_Knowledge_Chatbot_Django-RAG

connected with LLM