Fix formatting in README features section

Author: meerkatone

README.md

@@ -9,6 +9,7 @@ Example Marimo notebook analysis of CVE-2025-53766 GDI+ Remote Code Execution Vu
 
 ## Features
 
+- **Side by Side Diff View
 - **Multiple export formats**: JSON, CSV, SQLite, HTML reports
 - **Optional Qt GUI**: Interactive results table with sorting and filtering
 - **Cross-platform**: Supports Darwin, Linux, and Windows