add screenshot

Author: Feng Xu

README.md

@@ -1,6 +1,11 @@
-## Intelligent BI Demo
+# Intelligent BI Demo
 
 [中文文档](README_CN.md)
+## Introduction
+
+A NLQ(Natural Language Query) demo using Amazon Bedrock, Amazon OpenSearch with RAG technique.
+
+![Screenshot](./assets/screenshot-genbi.png)
 
 ## Deployment Guide
 
@@ -33,7 +38,7 @@ And attach an inline policy to this IAM Role with following permissions:
 }
 ```
 
-Make sure you have enabled model access in AWS Console in us-west-2 (美国西部 (俄勒冈州)) region for Anthropic Claude model and Amazon Titan embedding model.
+Make sure you have enabled model access in AWS Console in us-west-2 (Oregon) region for Anthropic Claude model and Amazon Titan embedding model.
 
 ### 3. Install Docker and Docker Compose
 

README_CN.md

@@ -1,4 +1,10 @@
-## 智能BI演示
+# 智能BI演示
+
+## 介绍
+
+一个利用了Amazon Bedrock, Amazon OpenSearch服务和RAG技术来实现的NLQ(自然语言数据查询)演示应用
+
+![Screenshot](./assets/screenshot-genbi.png)
 
 ## 部署指南