Add Color Palette Generator App with Random Color Generation, Lock, and Copy Features

[Richmond-Andoh]

This pull request introduces a Color Palette Generator built using HTML, CSS, and JavaScript. The app allows users to generate random color palettes, lock specific colors, and copy hex color codes to the clipboard. It includes responsive design and interactive controls for generating unique color combinations. All functionality is fully implemented and tested.

🛠️ Fixes Issue (Number)

Closes #issue_number

👨‍💻 Changes proposed

✅ Check List (Check all the applicable boxes)

• You have linked this PR to the correct issue.
• My code doesn't break any part of the project (Zero Octave-Javascript-Projects).
• This PR does not contain plagiarized content.
• My Addition/Changes works properly and matches the overall repo pattern.
• The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

📷 Screenshots