Change config_file arg to simulation_config_file

Author: botmayank

docs/_03_aerial_platforms/_gazebo_simulation/index.rst

@@ -335,10 +335,10 @@ Example of launch command:
 
 .. code-block:: bash
 
-  ros2 launch as2_platform_gazebo platform_gazebo_launch.py namespace:=drone_sim_0 config_file:=world_json_path
+  ros2 launch as2_platform_gazebo platform_gazebo_launch.py namespace:=drone_sim_0 simulation_config_file:=world_json_path
 
 For launch the simulation, run the following command:
 
 .. code-block:: bash
 
-  ros2 launch as2_gazebo_assets launch_simulation.py config_file:=world_json_path
+  ros2 launch as2_gazebo_assets launch_simulation.py simulation_config_file:=world_json_path