docs(angular): add routing content (#6452)

src/data/roadmaps/angular/content/routing@8i_JD1P4gIhY1rdldwLC2.md

@@ -1 +1,9 @@
-# Routing
+# Routing
+
+Tracking and controlling focus in a UI is an important consideration in designing for accessibility. When using Angular routing, you should decide where page focus goes upon navigation.
+
+Visit the following resources to learn more:
+
+- [@official@Angular Official Docs - a11y routing](https://angular.dev/best-practices/a11y#routing)
+- [@article@Accessibility - Focus](https://web.dev/learn/accessibility/focus/)
+- [@article@Router events in Angular](https://medium.com/@gurunadhpukkalla/router-events-in-angular-3112a3968660)