You add a project to the repository through the Check In Project window.
When checking in a project for the first time, all associated models and files that are inside the project directory must be checked in to the repository.
Right-click the project in the Local tab of the Browser, and select Check In to open the Check In Project window. The New mode is selected automatically (see Using the Check In Project window).
Select the appropriate parameters (see Check in parameters), and click OK to add the project and its associated models and files to the repository.