feat: unify upcoming event cards across pages

src/entities/brokerage-event/index.ts

@@ -2,3 +2,8 @@ export {
 	type BrokerageEvent,
 	useBrokerageEvents,
 } from "./api/useBrokerageEvents";
+export { BrokerageEventCard } from "./ui/BrokerageEventCard";
+export {
+	BrokerageEventsPreview,
+	type BrokerageEventsPreviewState,
+} from "./ui/BrokerageEventsPreview";