feat: immersive onboarding (#189)

* feat: change the default onboarding column

* feat: add newsfeed onboarding

* feat: add topic onboarding

* feat: add group onboarding

* chore: polish and format

* feat: rename foryou to topic

* fix: array

apps/desktop2/src/routes/trending.notes.tsx

@@ -1,5 +1,5 @@
 import { TextNote } from "@/components/text";
-import { type Event } from "@lume/types";
+import type { Event } from "@lume/types";
 import { Spinner } from "@lume/ui";
 import { Await, createFileRoute } from "@tanstack/react-router";
 import { defer } from "@tanstack/react-router";