refactor!: next generation AFFiNE code structure (#1176)

apps/web/src/hooks/current/use-current-page-id.ts

@@ -0,0 +1,10 @@
+import { useAtom } from 'jotai';
+
+import { currentPageIdAtom } from '../../atoms';
+
+export function useCurrentPageId(): [
+  string | null,
+  (newId: string | null) => void
+] {
+  return useAtom(currentPageIdAtom);
+}