feat: implemented UI Color Palette Extractor

[Shrutiii01]

What does this PR do?

This PR adds a new project called UI Color Palette Extractor, a browser-based tool that allows users to upload or drag-and-drop images and automatically extract dominant color palettes. The project provides detailed color information (Hex, RGB, and HSL values), interactive color swatches, and one-click clipboard utilities for developers and designers.

Type of change

• New project under Projects/
• Fix or improvement to an existing project
• Showcase page / workflow / docs change

Checklist

• I read [CONTRIBUTING.md](../CONTRIBUTING.md).
• My folder name is Title Case with real spaces (e.g. To Do Web App).
• My folder contains README.md, project.json and index.html.
• project.json is valid and title matches the folder name.
• The project opens by double-clicking index.html — no build step.
• No console errors, no tracking scripts, no third-party iframes.
• I respect the [Code of Conduct](../CODE_OF_CONDUCT.md).

Linked issue

Closes #483

[vercel]

@Shrutiii01 is attempting to deploy a commit to the SanZ's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

Great work and contribution, will be merged soon as NSoc 2026 contribution.

[github-actions]

Great work and contribution, will be merged soon as NSoc 2026 contribution.