Add the measure_comment_temperature unit primitive

What does this MR do and why?

This code update introduces a new unit primitive for the "Measure Comment Temperature" feature.

References

Please include cross links to any resources that are relevant to this MR. This will give reviewers and future readers helpful context to give an efficient review of the changes introduced.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.