[BUG] Add precommit hook to the pipeline

[willyborankin]

What is the bug?

Since we do not have a precommit hook in the pipeline it is possible to push and merge files without license header.
To fix the problem we need to add it to the pipeline.

Do you have any additional context?
Add any other context about the problem.

[stephen-crawford]

[Triage] Hello @willyborankin, thank you for filing this issue. This looks good to me! I agree a precommit hook would be helpful here.