Change onboarding by replacing tutorial with follow recommendations in web UI (#16060)

app/javascript/mastodon/features/ui/util/async-components.js

@@ -153,3 +153,7 @@ export function Audio () {
 export function Directory () {
   return import(/* webpackChunkName: "features/directory" */'../../directory');
 }
+
+export function FollowRecommendations () {
+  return import(/* webpackChunkName: "features/follow_recommendations" */'../../follow_recommendations');
+}