[Documentation Update]: add new file css-grid.md

[AKSHITHA-CHILUKA]

Is there an existing issue for this?

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Issue Description

as no similar doc available in the repo pls add css-grid.md to make sure about grid layouts

Suggested Change

add css-grid.md

Rationale

CSS Grid is another essential layout system in CSS

Urgency

High

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[github-actions]

Hi @AKSHITHA-CHILUKA! Thanks for opening this issue. We appreciate your contribution to this open-source project. Your input is valuable and we aim to respond or assign your issue as soon as possible. Thanks again!

[github-actions]

Hello @AKSHITHA-CHILUKA! Your issue #4031 has been closed. Thank you for your contribution!