feat(db): add node tag for influx

Signed-off-by: Klagarge <remi@heredero.ch>

db/src/main.go

@@ -141,6 +141,7 @@ func main() {
 		influxTags := []point.Topic{
 			{Subject: "campus", Content: campus},
 			{Subject: "room", Content: room},
+			{Subject: "node", Content: nodeID},
 		}
 		translatedDp := provenceMeasurement.CreateDataPoint(influxTags, dp.GetValues(), dp.Timestamp())