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As a user you have the option to create your own "Project" within that "Group" if you wish to branch your own code or work collaboratively on a project. The screenshot below demonstrates the "Main Project" that has been created for this "Group" and my own "Project"
If you wish to create your own "Project" you can click on "New Project" and then select the type of project AND who has access to this "project" within the "Group"