Missing React Fragment to enclose list of tasks

[ayushvj08]

Mentions #222

Changes required in this line

wd301-scripts/class-components/rules-of-state/README.md

Line 61 in d5fa214

return this.state.tasks.map((task, idx) => <Task key={idx} title={task.title} />);

To be changed to this

return (
      <>
        {this.state.tasks.map((task, idx) => (
          <Task key={idx} title={task.title} />
        ))}
      </>
    );

[reenas]

@developedbysaad Please check this