Launch file start Rviz option

start_rviz.launch

    <!-- By default, start RViz -->
    <arg name="rviz" default="true" />
    
    <!-- Run Rviz and load the default config to see the state of the move_group node -->
        <include file="$(find package)/launch/moveit_rviz.launch">
        <include if="$(arg rviz)" file="$(find package)/launch/moveit_rviz.launch">
            <arg name="config" value="true"/>
            <arg name="debug" value="$(arg debug)"/>
        </include>