You must be a Webmaster to do this.

  1. In the side menu click Team Resources > Manage Team Resources.
  2. Click + New Page, or click the by an existing page.
  3. Fill in the fields.
    1. Show in Team Resources — When set to YES, a red R will show beside the page, indicating it will be listed under Team Resources > Resources for non-admins to view. This allows you to share a link to the page.
    2. Save this page as draft? — Hides the page from non-admins when set to YES. Set to NO to publish it.
    3. Non-Admin account that can Edit — Click to select non-admins whom you want to be able to edit the content of the page.
  4. When finished, click Save.

See Also
Add a Team Resource Page to a Custom Web Page
Team Resources Pages