1. Replace <your_account> with your Github username in the link
   • DEMO LINK
2. Follow this instructions
   • There are no tests for this task so use npm run lint command instead of npm test

Task: Sliding tree

Create an expandable tree.

Requirements:

• Clicking on the headline should hide or show elements.
• Clicking outside the title text (in an empty place) should do nothing.

Hint: you need to cover each header text to span tag.

Do not change HTML or CSS in this task.

Screenshot of the tree