[FEATURE]

## Feature Description
Complete implementation of Competitive Programming Club page with all sections.

## Problem Statement
CP Club page needs full content implementation to showcase programming activities and achievements.

## Proposed Solution
Add the following sections:
- Contest Calendar
- Problem Solving Stats
- Team Rankings
- Learning Resources
- Practice Arena

## Success Criteria
- [ ] All sections responsive
- [ ] Real-time contest updates
- [ ] Performance optimized
- [ ] Branch name format: username/cp-club-page

## Timeline
- Priority: High
- Target: 1 week
- Dependencies: None

## Checklist
- [ ] Run npm build before commit
- [ ] Test responsiveness
- [ ] Add documentation