fix: cors

backend/app.py

@@ -29,7 +29,7 @@ app = Flask(__name__)
 CORS(app)
 # Enable CORS for specific routes
 # CORS(app, resources={
-#     r"/api/*": {"origins": "*"}  # Allows CORS for all `/api/` routes
+#     r"*": {"origins": "*"}  # Allows CORS for all `/api/` routes
 # })
 # Set configuration directly on the app instance
 app.config['ALLOWED_EXTENSIONS'] = {'png', 'jpg', 'jpeg', 'gif','pdf'}