A CDS project is the root entity for a team.
It brings together all your as-code entites ( workflows, actions, worker models)
The following resources can be created/linked on a project:
Repository Manager: allow you to linked github, gitlab, bitbucketRepository: allow you to linked git repositories to your project and then trigger workflowsVariableSet: allow you to create variableset for your workflowsNotification: allow you to create notification