Update Deskto Gallery page (Fixes #23)

[Lonwwolf14]

Description

This pull request addresses the updates for Issue #23. The following changes have been made:

• Fixed the border radius of the images and adjusted the gap between them for better layout consistency.
• Updated the copyright text to reflect the latest information.
• Corrected the gap between the sidebar and the logo for better alignment and visual appeal.
• Aligned the images properly within the gallery for a cleaner layout.
• Implemented a blend effect for the gallery page when scrolling up, adding a subtle visual transition.

---

Type of Change

• 🆕 New Feature
• 🐛 Bug Fix
• 🖼 Wallpaper Added
• 🎨 UI/Design Update
• 🔄 Refactor/Code Improvement
• 📂 Other (Specify here):

Issue Linked:
Fixes #23

---

Checklist

• 📖 I have read and followed the Contributing Guidelines.
• ✅ My code adheres to the project's style guidelines.
• 🧪 I have tested my changes locally and ensured no existing functionality is broken.
• ✍️ I have added or updated necessary documentation where applicable (e.g., README.md, DESIGN.md, WALLPAPER.md).

---

Attachment

bandicam_2025-02-06_00-27-46-917.mp4

[Parnab03]

done a great job.