fix: performance optimizations for profile scraping - closes #20

feat: optimize scraper performance, fix profile sync, and update UI

 HeadlessX v1.2.0 - Complete Modular Architecture

Major release featuring complete architectural transformation:

 Key Features:
- Modular architecture with 20+ focused modules
- Enhanced PM2 process management
- Docker optimization for modular structure
- Comprehensive documentation overhaul
- AUTH_TOKEN standardization

 Technical Improvements:
- Separation of concerns across modules
- Enhanced error handling and logging
- Improved browser service management
- Configuration centralization
- Production-ready scalability

 Breaking Changes:
- TOKEN environment variable renamed to AUTH_TOKEN
- PM2 configuration relocated to root directory
- File structure reorganization requires updates

 Migration Guide:
Complete migration instructions available in RELEASE_NOTES_v1.2.0.md

This release represents a significant architectural milestone, transforming HeadlessX from a monolithic application into a maintainable, scalable, production-ready modular system.

fix: enhance mobile responsiveness with improved spacing and touch ta…

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