Cruise Hybrid's full intergration is in the Hybrid - Complete (inline framework) folder.
A basic walkthrough on integrating CardinalCommerce's Cruise Standard and Hybrid. The code should be used as a supplemental learning tool to the official CardinalCommerce documentation: https://cardinaldocs.atlassian.net/wiki/spaces/CC/overview.
The code can also be used as a minimal working example. Note there are more intricacies not covered in the walkthrough. Please ensure that your site's code adheres to all recommendations in the official documentation.