Add Real-time Code Syntax Highlighting

[SyntaxSidekick]

Title: Implement Syntax Highlighting in Code Editor and Examples
Labels: feature, ui/ux, code-editor, priority-high, milestone-2

Description:
Code is currently displayed as plain text, making it harder to read and understand.

Requirements:

• Add JavaScript syntax highlighting to code editor
• Highlight code in question examples
• Highlight code in About Question tab examples
• Syntax highlighting in console output when showing code
• Error highlighting for invalid syntax

Technical Implementation:

• Use Prism.js or Monaco Editor for syntax highlighting
• Apply consistent theme across all code displays
• Ensure mobile compatibility
• Support for both light and dark themes

Benefits:

• Improved code readability
• Better learning experience
• Professional appearance
• Easier error spotting

Priority: High - Significantly improves user experience