docs(PPDSC-2289): Text block documentation

[Srinivasan-Ramasamy]

PPDSC-2289

What

1. Text block documentation UI - http://ncu-newskit-docs.s3-website-eu-west-1.amazonaws.com/ppdsc-2289-text-block-documentation/components/text-block/

I have done:

• Written unit tests against changes
• Written functional tests against the component and/or NewsKit site
• Updated relevant documentation

I have tested manually:

• The feature's functionality is working as expected on Chrome, Firefox, Safari and Edge
• The screen reader reads and flows through the elements as expected.
• There are no new errors in the browser console coming from this PR.
• When visual test is not added, it renders correctly on different browsers and mobile viewports (Safari, Firefox, small mobile viewport, tablet)
• The Playground feature is working as expected

Before:

After:

Who should review this PR:

How to test:

URL: http://ncu-newskit-docs.s3-website-eu-west-1.amazonaws.com/ppdsc-2289-text-block-documentation/components/text-block/

[newskit-engineering]

You can preview these changes on:
Documentation Site: http://ncu-newskit-docs.s3-website-eu-west-1.amazonaws.com/ppdsc-2289-text-block-documentation
Storybook: http://ncu-newskit-docs.s3-website-eu-west-1.amazonaws.com/ppdsc-2289-text-block-documentation/storybook

[Xin00163]

TextBlock now supports LogicalProps. Could we please add these to the docs?

[Srinivasan-Ramasamy]

Thanks @Xin00163m, updated the changes. Please review it once.

[Srinivasan-Ramasamy]

Thanks @mstuartf and @Xin00163, @baburay23 for taking the time to review 👍