Location add endpoint protobuf and updated service

src/context/service/database/Constraint.py

src/context/service/database/Device.py

src/context/service/database/models/EndPointModel.py

src/context/service/database/models/ServiceModel.py

src/device/service/Tools.py

src/device/service/drivers/emulated/Tools.py

src/service/requirements.in

src/service/service/ServiceServiceServicerImpl.py

src/webui/service/templates/device/detail.html