Draft: Resolve "(TID) Add support to NBI to export the device inventory items"

Abandoned. Resolved in Merge Request !237 (merged) Closes #62 (closed)

proto/device.proto

@@ -24,6 +24,8 @@ service DeviceService {
   rpc DeleteDevice    (context.DeviceId  ) returns (context.Empty       ) {}
   rpc GetInitialConfig(context.DeviceId  ) returns (context.DeviceConfig) {}
   rpc MonitorDeviceKpi(MonitoringSettings) returns (context.Empty       ) {}
+  rpc DeviceInventory (context.DeviceId) returns   (context.Empty       ) {}
+
 }
 
 message MonitoringSettings {