Server/PacketIO: Opcode & Structures for CMSG_GAMEOBJ_USE, CMSG_GAMEOBJ_REPORT_USE
* Now u can use Gameobjects. Like Chairs, Questgivers.
* For Portals there need to be an update for SMSG_MOVE_UPDATE_TELEPORT.

Signed-off-by: AriDEV <aridev666@gmail.com>