CR: Update Layout Grid Doc Site Page

[andyvanavery31]

Request Description

This ticket is to update the Doc Site page for Layout Grid so that it explains the usage of these classes for Digital Platform content editors

What's the expected change?

• Edit was added under the Containers, Rows, and Columns section. I added a comment to note where specifically: https://nih.sharepoint.com/:w:/r/sites/NCI-OCPLNewCgovUXDesignSystem/Shared%20Documents/General/Details%20-%20NCIDS%20Adoption/Documentation%20Site%20Content/Page%20Content%20-%20Word%20Docs/Layout%20Grid.docx?d=w4e8ff002559e41ab930669febc3dfe49&csf=1&web=1&e=oGYDmR

What's the updated acceptance criteria?

• The Layout Grid page on the NCIDS Documentation Site will be updated with the above changes.

[adrianacastaneda]

@andyvanavery31 this is ready for tech review!

cc: @bennettcc