1. Open the Team on Teams panel that you intend to add the Web Part;
  2. Click on the Settings button.

    edit-page

  3. Mouse hover the Web Part and click on the [+] button to add a new Accordion's item;

    add_faq

  4. Fill out the form that pops up. You can check out what you need to do in each setting in the Accordion Settings

  5. After setting everything up, click on Save.