nextauth working.

src/store/useAuthStore.ts

@@ -0,0 +1,16 @@
+import { create } from 'zustand';
+import { Session } from 'next-auth';
+
+interface AuthStore {
+  session: Session | null;
+  isLoading: boolean;
+  setSession: (session: Session | null) => void;
+  setLoading: (isLoading: boolean) => void;
+}
+
+export const useAuthStore = create<AuthStore>((set) => ({
+  session: null,
+  isLoading: true,
+  setSession: (session) => set({ session }),
+  setLoading: (isLoading) => set({ isLoading }),
+}));