How to use Kinect or other Sensors in ROS2?

[arunava_nag]

@clalancette

changes could be eased by a shim layer. @dirk-thomas created a PR detailing some of the problems,

Hi,
@clalancette do you think we can write a shim layer for GitHub - code-iai/iai_kinect2: Tools for using the Kinect One (Kinect v2) in ROS, to have it working on ROS2.