[Description] no descriptions in the Frontends subcategories, ThreeJs and UI generators

[mahfuzurrahman01]

Category Name

Frontend

Subcategory Name

Three js & UI generators

New or updated description of above subcategory

Every subcategory has its own description for the user to know about those stacks/tools. However, I noticed that the Frontends subcategory ThreeJs and UI generators don't have any description. Need to update both descriptions.

Status of Description

• Adding new description
• Updating existing description

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I am willing to work on this issue (optional)
• I am participating in Hacktoberfest 2023

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[CBID2]

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