feat: 유저 스토어 제작

Author: healim01

Diff for: frontend/src/store/useUserStore.ts

@@ -0,0 +1,35 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+
+import { User } from '@/types/user';
+
+interface UserState {
+  user: User;
+  setUser: (user: User) => void;
+}
+
+const useUserStore = create<UserState>()(
+  persist(
+    set => ({
+      user: {
+        userId: 0,
+        userName: '',
+        userEmail: '',
+        createdAt: '',
+        userType: 'GUEST',
+      },
+
+      setUser: (newUser: User) => {
+        set(() => ({ user: { ...newUser } }));
+      },
+    }),
+    {
+      name: 'user-info',
+      partialize(state) {
+        return { user: state.user };
+      },
+    },
+  ),
+);
+
+export default useUserStore;