Changes

Camera definitions directory ("'''/def/camera'''") is using "'''camera_storage(.infix).sii'''" files as storage files defining cameras that can be used by player while in game (UI interface is not handled by cameras are not included in this storage files, as UI is drawn directly on screen 2D plane). Note that this defines only storage for available in game cameras, but which camera is used in the game depends on currently user selected view and current used player vehicle.