Design workspace-wide ROS infrastructure

[patrick-5546]

Purpose

At some point we will have to run packages from other subteams to achieve our goals of being able to fully simulate sailbot in software.

Changes

• Integration/system tests
• Launch files

Resources

• https://docs.ros.org/en/humble/The-ROS2-Project/Contributing/Developer-Guide.html#linters-and-static-analysis
• https://docs.ros.org/en/rolling/Tutorials/Intermediate/Launch/Using-ROS2-Launch-For-Large-Projects.html#top-level-organization
• https://github.com/ros2/launch/tree/master/launch_testing
• https://github.com/ros2/launch_ros/tree/rolling/launch_testing_ros

[patrick-5546]

• Launch files part was done in Add global launch and configuration files #154
• Integration/system tests still to do