UserAndPostSIngleton

          List<User> users = await GetWant().getAllUserfromJson();

          UserList().setUsers(users);
          UserList().getUsers().forEach((element) {
            print(element.email);
          });


          List<Post> posts = await GetWant().getAllPostfromJson();

          PostList().setPosts(posts);
          PostList().getPosts().forEach((element) {
            print(element.userName);
          });