add log file name as launch argument

Signed-off-by: Tanishq Chaudhary <[email protected]>

Author: Tanishq30052002

ros2launch/ros2launch/api/api.py

@@ -159,6 +159,9 @@ def launch_a_launch_file(
     if args and args.launch_prefix_filter:
         launch_file_arguments.append(f'launch-prefix-filter:={args.launch_prefix_filter}')
 
+    if args and args.log_file_name:
+        launch_file_arguments.append(f'log-file-name:={args.log_file_name}')
+
     launch_service = launch.LaunchService(
         argv=launch_file_arguments,
         noninteractive=noninteractive,