Update Scala.js shield
Update Scala.js shield

mb720/scalajs-spa-tutorial,UKHomeOffice/drt-scalajs-spa-exploration,wrotki/spacommander,UKHomeOffice/drt-scalajs-spa-exploration,somanythings/drt-scalajs-spa-exploration,somanythings/drt-scalajs-spa-exploration,mb720/scalajs-spa-tutorial,somanythings/drt-scalajs-spa-exploration,wrotki/spacommander,vmunier/scalajs-spa-tutorial,vmunier/scalajs-spa-tutorial,UKHomeOffice/drt-scalajs-spa-exploration,ochrons/scalajs-spa-tutorial,somanythings/drt-scalajs-spa-exploration,wrotki/spacommander,ochrons/scalajs-spa-tutorial