Enhance README with summarization images

Added before and after images to illustrate summarization.

Author: LuisMSuarez

README.md

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 Site that showcases automated creation of product review summaries using OpenAI or open source models (HuggingFace).
 Lightweight web app displays product reviews (from a MySql database) and produces concise, actionable summaries using OpenAI models. Built with React, TypeScript and modern web tooling, the Review Summarizer helps customers or teams quickly understand sentiment, common issues, and highlights across large sets of reviews.
 
+## Before summarization
+<img width="2396" height="1286" alt="image" src="https://github.com/user-attachments/assets/4b1668b1-8fc1-4c44-b9a4-9b3af1cda61d" />
+
+## After summarization
+<img width="2434" height="1464" alt="image" src="https://github.com/user-attachments/assets/1f0ddd7a-d90a-4908-89eb-dee256c18750" />
+
+
+
 ## Highlights
 
 Scalable and durable summarization of arbitrary review sets.