Update README.md

README.md

@@ -44,4 +44,9 @@ This project extracts key information from uploaded insurance claim PDF forms us
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 ## 📁 Project Structure
-
+├── app.py # Gradio app logic
+├── utils.py # PDF text + OCR extractor
+├── extraction_service.py # Field extractor using regex config
+├── fields_config.json # Custom field patterns
+├── requirements.txt # Hugging Face Space dependencies
+└── README.md