Update README.md

README.md

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-# 📚 AI-Powered Chat with PDFs
+---
+license: apache-2.0
+title: '# 📚 AI-Powered Chat with PDFs'
+sdk: streamlit
+emoji: 📚
+colorFrom: blue
+colorTo: blue
+short_description: that allows users to upload multiple pdfs
+---
 
-## 📝 Overview
-This is a **PDF-based AI chatbot** that allows users to upload multiple **PDF documents** and ask questions about their content. It uses **Hugging Face embeddings**, **FAISS vector storage**, and **LangChain** to retrieve relevant information.
 
-## 🚀 Features
-- 📄 **Upload multiple PDFs**  
-- 🔍 **Extract text and retrieve answers**  
-- 💬 **Conversational AI for document Q&A**  
-- 🧠 **Memory to retain chat history**  
-- ⚡ **Runs locally or on Hugging Face Spaces**  
-
-## 🛠️ Tech Stack
-- **Python** 🐍  
-- **Streamlit** (for UI)  
-- **Hugging Face Sentence Transformers** (for embeddings)  
-- **FAISS** (for vector search)  
-- **LangChain** (for chatbot framework)  
-- **Groq's Mixtral-8x7B** (for AI responses)  
-
-## 📂 Project Structure