Feat/sidebar&top bar (#1454)

apps/web/src/hooks/affine/use-sidebar-status.ts

@@ -0,0 +1,8 @@
+import { useAtom } from 'jotai';
+import { atomWithStorage } from 'jotai/utils';
+
+const sideBarOpenAtom = atomWithStorage('sidebarOpen', true);
+
+export function useSidebarStatus() {
+  return useAtom(sideBarOpenAtom);
+}