Update README.md

Author: yushulx

examples/official/fastapi/README.md

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 # Barcode Reader Web Application 
 A web application that leverages [FastAPI](https://pypi.org/project/fastapi/) for the backend along with a lightweight **HTML/JavaScript** frontend. The application allows users to upload images for **barcode reading**, decodes the barcodes using the [Dynamsoft Capture Vision Bundle](https://pypi.org/project/dynamsoft-capture-vision-bundle/), and presents the decoded data in a user-friendly interface.
 
+https://github.com/user-attachments/assets/10ed16ba-b22f-4857-8bd2-942cc2bbfaab
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 ## Features
 
 - Upload images containing barcodes.
@@ -35,4 +37,4 @@ A web application that leverages [FastAPI](https://pypi.org/project/fastapi/) fo
 
 5. Open your web browser and navigate to `http://localhost:8000` to access the application.
 
-    ![Python FastAPI web barcode reader](https://www.dynamsoft.com/codepool/img/2025/04/python-fastapi-web-barcode-reader.png)
+    ![Python FastAPI web barcode reader](https://www.dynamsoft.com/codepool/img/2025/04/python-fastapi-web-barcode-reader.png)