add new launch file structure

launch/application.launch

launch/application_demo.launch

launch/cleaning/_robot_setup.launch

launch/cleaning/_simulation_setup.launch

launch/cleaning/cleaning_dummy_cgv.launch

launch/cleaning/cleaning_dummy_controller.launch

...h/cleaning/cleaning_dummy_controller_and_dummy_cgv.launch

launch/cleaning/cleaning_robot_controller.launch

...h/cleaning/cleaning_robot_controller_and_dummy_cgv.launch

launch/cleaning/cleaning_simulation.launch

launch/cleaning/cleaning_simulation_and_dummy_cgv.launch

launch/simulation.launch

launch/simulation_demo.launch