This file contains comprehensive guidelines for Github copilot developing high-quality web applications with a focus on modern best practices. Key sections include:
- HTML Development - Emphasizes semantic markup, standards compliance, clean structure, and SEO optimization
- CSS & Styling - Covers modular approaches, responsive design, performance, and cross-browser compatibility
- Accessibility - Details WCAG compliance, keyboard navigation, color contrast, and accessible media/forms
- Code Generation - Outlines modern JavaScript/TypeScript practices, clean code principles, and architecture patterns
- Testing - Describes unit, integration and E2E testing approaches with coverage requirements
- React Development - Focuses on functional components, hooks, state management, and performance optimization
- Security - Includes input validation, authentication, secure coding practices, and environment hardening
- DevOps - Covers containerization, CI/CD, infrastructure as code, and monitoring
The document serves as a comprehensive reference for developing maintainable, accessible, secure, and high-performance web applications using modern technologies and methodologies.
