Add CSS Games subcategory under Frontend category

[JuanPabloDiaz]

Category Name

Frontend

Subcategory Name

CSS Games

Additional Context

Learn CSS Grid, Flex and more by Playing Games

• css grid garden
• flex box froggy
• flukeout
• coding fantasy

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I have checked that this category does not exist
• I have checked that this subcategory does not exist
• I am willing to work on this issue (optional)

[github-actions]

To reduce notifications, issues are locked. Your issue will be unlocked when we add the label, 🚀 ready.

[github-actions]

Hello JuanPabloDiaz!
Thank you for raising this issue! 😊 Your contribution is valuable to us! 😊

Please make sure to follow our Contributing Guidelines. 💪🏻

Please only work on an issue if you're assigned; otherwise, the PR will be automatically closed.
Our review team will carefully assess the issue and reach out to you soon! 😇
We appreciate your patience!

[Anmol-Baranwal]

Hi Juan!

You're only allowed to make one issue at a time.
So, we will keep this locked and assign you as soon the other PR is merged.

Work on 1 issue at a time :)

[Anmol-Baranwal]

@JuanPabloDiaz
Feel free to edit it. I will assign you then.

[github-actions]

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