[Update] update readme (#1054)

Co-authored-by: Deven Patel <deven298@yahoo.com>

README.md

@@ -48,7 +48,11 @@ Embedchain streamlines the creation of RAG applications, offering a seamless pro
 pip install embedchain
 ```
 
-## 🔍 Usage and Demo
+## ✨ Live demo
+
+Checkout the [Chat with PDF](https://embedchain.ai/demo/chat-pdf) live demo we created using Embedchain. You can find the source code [here](https://github.com/embedchain/embedchain/tree/main/examples/chat-pdf).
+
+## 🔍 Usage
 
 <!-- Demo GIF or Image -->
 <p align="center">

examples/chat-pdf/README.md

@@ -2,6 +2,8 @@
 
 You can easily create and deploy your own `Chat-with-PDF` App using Embedchain.
 
+Checkout the live demo we created for [chat with PDF](https://embedchain.ai/demo/chat-pdf).
+
 Here are few simple steps for you to create and deploy your app:
 
 1. Fork the embedchain repo from [Github](https://github.com/embedchain/embedchain).