docs: add redirect for angular overview

Author: bencodezen

adev/src/app/routing/redirections.ts

@@ -164,4 +164,8 @@ export const REDIRECT_ROUTES: Route[] = [
     path: 'guide/animations/reusable-animations',
     redirectTo: '/guide/legacy-animations/reusable-animations',
   },
+  {
+    path: 'guide/aria',
+    redirectTo: '/guide/aria/overview',
+  },
 ];