[Mobile] Add Copy to clipboard button to code snippets box

[mmtftr]

📌 Implement a Feature

🏡 Component

• [ ] Backend
• [ ] Frontend
• [x] Mobile
• [ ] Design
• [ ] Documentation
• [ ] Other

📚 Description

Add a "Copy to clipboard" button to code snippet boxes to improve user experience when working with code examples. This feature will make it easier for users to reuse and test code snippets.

📋 Acceptance Criteria

• [ ] Copy Button Implementation

  • [ ] Add button in code snippet header
  • [ ] Use clear copy icon
  • [ ] Position consistently across different code block sizes

• [ ] Functionality

  • [ ] Copy complete code snippet to clipboard
  • [ ] Show success feedback (toast/animation)
  • [ ] Handle copy failures gracefully
  • [ ] Preserve code formatting when copied

📅 Deadline

• Estimated hours of work: 1 hours
• Implementation Deadline: November 12
• Review Deadline: November 12

👁‍🗨 Reviewer

@reviewer

[mmtftr]

Closed by #497 Lab 6