changes to the asv export

Web/app.py

@@ -13775,6 +13775,13 @@ def upload_csv_batch():
         "images_failed": error_count
     }), 200
 
+@app.route('/get/asv_export', methods=['GET'])
+def get_asv_export():
+    if 'username' not in session:
+            flash('Bitte melden Sie sich an.', 'error')
+            return redirect(url_for('login'))
+    return send_from_directory(app.static_folder, 'img/asv_export_invario_2026.exfj')
+
 """
 @app.route('/test_email')
 def test_email():