refactor(db): change order for history

Get now value from the most recent to the most ancien requested value

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

db/src/rest/rest.go

@@ -470,7 +470,7 @@ func (g *RestGateway) getRoomHistory(c *gin.Context) {
 		  window_open
 		FROM binned
 		WHERE time > now() - INTERVAL '%s'
-		ORDER BY time ASC
+		ORDER BY time DESC
 		`, g.measurementName, window, nodeFilter, window,
 	)