add a latest.build file to index the latest harbor build. It's for OVA.
add a latest.build file to index the latest harbor build. It's for OVA.

steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor,steven-zou/harbor,steven-zou/harbor,steven-zou/harbor,steven-zou/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,reasonerjt/harbor,reasonerjt/harbor,reasonerjt/harbor,reasonerjt/harbor,wy65701436/harbor,steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor