feat: create function to load user data from storage

src/storage/storageUser.ts

@@ -6,3 +6,9 @@ import { USER_STORAGE } from './storageConfig';
 export async function storageUserSave(user: UserDTO) {
   await AsyncStorage.setItem(USER_STORAGE, JSON.stringify(user));
 }
+
+export async function storageUserGet() {
+  const storage = await AsyncStorage.getItem(USER_STORAGE);
+  const user: UserDTO = storage ? JSON.parse(storage) : {};
+  return user;
+}