Update README.md

Update README.md

Merge branch 'main' of https://github.com/LVVignesh/gemini-rag-fastapi

Enhance RAG: Fix 429s, Add Persistence & Validation

Fix Hugging Face Space metadata parsing

Remove Render config (switching to Hugging Face deployment)

Add Dockerfile for HF deployment

Add Render deployment configuration

Add frontend UI and document upload for RAG app

Initial FastAPI RAG backend

:wqInitial commit

initial commit

Add Dockerfile for HF deployment

Add Render deployment configuration

Add frontend UI and document upload for RAG app

Initial FastAPI RAG backend

Initial commit