Add in test project.

[clalancette]

Please make sure all boxes are checked before submission.

Criteria

• [x] A one sentence description of the project, with a link to the project page.
• [x] Projects should be in alphabetical order.
• [x] Project must use ROS 2 or the new Gazebo (formerly Ignition, https://gazebosim.org/ )
• [ ] Open source
• [ ] Preferably there's a visual representation (image, video, etc) in the URL you provide.