Add doxygen comment in WeightObject namespace
Add doxygen comment in WeightObject namespace

- Add a comment to show WeightObject namespace in the doxygen file.

Change-Id: I5cc51499f76791376924145fafe6a75f6ef23328
Signed-off-by: Seoyeon Kim <9d7945f986357c1681706fda3daa4250c146b2e7@samsung.com>

dalihub/dali-core,dalihub/dali-core,dalihub/dali-core,dalihub/dali-core