2018
https://blog.angularindepth.com/new-in-angular-7-better-navigations-79267db452c0
https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/
https://blog.angularindepth.com/angular-routing-series-pillar-1-router-states-and-url-matching-12520e62d0fc