Pattern: develop lead space, centered

[jeffchew]

hahnrob created the following on Sep 11:

User Story

As a [user role below]: developer using the ibm.com Library

I need to: have a centered lead space pattern that can be used

so that I can: leverage it within my application

Additional information

• Story within Storybook with corresponding knobs
• minimum 80% unit test coverage
• Utilize Carbon
  • Design specs

Acceptance criteria

• [ ] tested React component within the Patterns Storybook

Original issue: https://github.ibm.com/webstandards/digital-design/issues/1689

[sannminwin]

FYI, @RobertaJHahn @wonilsuhibm

I added link to latest specs provided by @wonilsuhibm.

[wonilsuhibm]

Final specs have been added to the description.