implement notification page (#8)

src/hooks/useNotificationStore.ts

@@ -0,0 +1,18 @@
+import { NotificationStore } from '@/types'
+import { create } from 'zustand'
+import { persist, createJSONStorage } from 'zustand/middleware'
+
+export const useNotificationStore = create<NotificationStore, [['zustand/persist', NotificationStore]]>(
+    persist(
+        (set, get) => ({
+            notifiers: get()?.notifiers,
+            notifierGroup: get()?.notifierGroup,
+            setNotifier: notifiers => set({ notifiers }),
+            setNotifierGroup: notifierGroup => set({ notifierGroup }),
+        }),
+        {
+            name: 'notificationStore',
+            storage: createJSONStorage(() => localStorage),
+        },
+    ),
+)