Add support for two mentors in dashboard

[Copilot]

The dashboard only supported displaying a single mentor. Extended to support two mentors with minimal changes to data structure and rendering logic.

Changes

• data/mentor.json: Changed mentor object to mentors array containing two mentor entries
• components/mentor.js:
  • Maintains backwards compatibility with single-mentor format via fallback: config.mentors || (config.mentor ? [config.mentor] : [])
  • Renders multiple mentor cards using .map() in both view and edit modes
  • Extracted getDefaultMentorName() helper to reduce duplication
  • Added proper bounds checking for form input handling
• styles.css: Added grid layout to #mentor-details for side-by-side display

Structure

// Old format (still supported)
{ "mentor": { "name": "...", ... }, "feedback": [...] }

// New format
{ "mentors": [
    { "name": "Mentor 1", ... },
    { "name": "Mentor 2", ... }
  ], 
  "feedback": [...] 
}

Screenshots

View Mode

Edit Mode

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add a space for two mentors</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add a space for two mentors #10

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