New data model in Building subject: BuildingType

There is a new data model in the dataModel.Building subject. BuidlingType Thanks to the cooperation with GSMA IotBig Data project.

• BuildingType. This entity contains a harmonized description of a generic building type. This entity is associated with the vertical segments of smart homes, smart cities, industry, and related IoT applications. The building type includes a hierarchical structure that allows building types to be grouped in a flexible way.