[Placeholder] Blueprint/children courses

[jmakowski1123]

Axim gathered some user stories for this feature. Probably makes sense for us to drive this in context of modular learning: https://openedx.atlassian.net/wiki/spaces/OEPM/pages/3575447582/Phase+5+Main+Course+Templates

[github-actions]

Thanks for your submission, @openedx/open-edx-project-managers will review shortly.

[jmakowski1123]

Collaborate with Bryan, also Bootcamps use cases

[jmakowski1123]

closing as this was a placeholder with no PRD