Fix HF Space: add SDK configuration to README

README.md

@@ -1,5 +1,12 @@
 ---
 title: ProofCheck
+emoji: 🔍
+colorFrom: blue
+colorTo: purple
+sdk: gradio
+sdk_version: "4.44.0"
+app_file: app.py
+pinned: false
 license: apache-2.0
 tags:
   - document-processing
@@ -11,9 +18,13 @@ task_categories:
 pretty_name: ProofCheck
 ---
 
-# ProofCheck
+# 🔍 Advanced PDF Comparison Tool
 
-ProofCheck is a PDF comparison and validation tool that enhances OCR and barcode detection.
+Upload two PDF files to get comprehensive analysis including:
+- **Visual differences** with bounding boxes
+- **OCR and spell checking**
+- **Barcode/QR code detection**
+- **CMYK color analysis**
 
 ## Features
 - High-DPI PDF rendering (600 DPI) for improved OCR and barcode recognition