Add Image scanning and signing to the CI/CD repo

[springdo]

Using Andy Blocks examples as a starting point
https://github.com/redhat-cop/openshift-image-signing-scanning
or https://github.com/sabre1041/image-scanning-signing-service for potentially more up to date informantion
ACs

• Create the image-signing-scanning project as part of CI
• Create a ref example in the todolist-fe pipeline

@Tompage1994 - we can pair on this at some point if you want?

[Tompage1994]

Yeah I had a quick look at this this morning. Looks a little complex but looks good as well. I know some the previous customer wanted some stuff around this!