Add image to README

Author: brnil6

ai/generative-ai-service/complex-document-rag/README.md

@@ -2,7 +2,7 @@
 
 An enterprise-grade Retrieval-Augmented Generation (RAG) system for generating comprehensive business reports from multiple document sources using Oracle Cloud Infrastructure (OCI) Generative AI services.
 
-Reviewed date: 22.09.2025
+Reviewed date: 03.11.2025
 
 ## Features
 
@@ -14,7 +14,7 @@ Reviewed date: 22.09.2025
 - **Citation Tracking**: Source attribution with references
 - **Multi-Language Support**: Generate reports in English, Arabic, Spanish, and French
 - **Visual Analytics**: Automatic chart and table generation from data
-
+![Application screenshot](files/images/screenshot1.png)
 ## Prerequisites
 
 - Python 3.11+