Update app.py

app.py

@@ -140,6 +140,10 @@ def submit():
     except Exception as e:
         return jsonify({'error': str(e)}), 500
 
+        @app.route("/")
+def index():
+    return render_template("index.html")
+
 
 @app.route("/menu", methods=["GET"])
 def menu_page():