[DOCS] Add screenshots and/or a gif of the tasks app in use to the README

[colmdoyle]

Is there an existing request for this?

• [X] I have searched for any related issues and avoided creating a duplicate issue.

Have you read our code of conduct?

• [X] I have read and agree to the code of conduct

Feature as a user story

As a developer, I want to view imagery of the tasks app so I understand the value of the app.