Show `Setup CI/CD` when repository is empty
### Problem to solve
Enable the quick setup of CI/CD for new projects.
### Target audience
<!--- For whom are we doing this? Include a [persona](https://design.gitlab.com/research/personas)
listed below, if applicable, along with its [label](https://gitlab.com/groups/gitlab-org/-/labels?utf8=%E2%9C%93&subscribed=&search=persona%3A),
or define a specific company role, e.g. "Release Manager".
Existing personas are: (copy relevant personas out of this comment, and delete any persona that does not apply)
- Parker, Product Manager, https://design.gitlab.com/research/personas#persona-parker
- Delaney, Development Team Lead, https://design.gitlab.com/research/personas#persona-delaney
- Sasha, Software Developer, https://design.gitlab.com/research/personas#persona-sasha
- Devon, DevOps Engineer, https://design.gitlab.com/research/personas#persona-devon
- Sidney, Systems Administrator, https://design.gitlab.com/research/personas#persona-sidney
-->
### Further details
In order to entice additional usage of our CI/CD platform we should prompt users to `Setup CI/CD` one step earlier in the process. Right now the prompt exists once a file exists in the repository. We should also show it in empty repositories.
### Proposal
Have this link:

Show up on this screen:

### Documentation
<!-- See the Feature Change Documentation Workflow https://docs.gitlab.com/ee/development/documentation/feature-change-workflow.html
Add all known Documentation Requirements here, per https://docs.gitlab.com/ee/development/documentation/feature-change-workflow.html#documentation-requirements -->
### What does success look like, and how can we measure that?
Increased SMAU in Verify.
### Links / references
issue