#33805: Add serverless framework template

What does this MR do?

Adds a template for the serverless framework to the project creator.

Template Repo -- https://gitlab.com/gitlab-org/project-templates/serverless-framework

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required) - !19904 (merged)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides

Availability and Testing

Should be testable in a review app? I tested this locally and the template seems to work right.

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.

Security

This is just adding a template and should not need security review.