Add comprehensive guide on GitHub's suitability for application and website development

[Copilot]

This PR addresses the question "CAN YOU TELL ME IS THIS SYSTEM IS OK FOR DEVELOPING APPLICATION & WEBSITES?" by providing a comprehensive answer about GitHub's capabilities for modern software development.

Changes Made

📄 New Documentation: GITHUB_FOR_DEVELOPMENT.md

Created a detailed guide that answers the core question with a clear YES and provides comprehensive coverage of:

• Core Development Features: Git-based version control, unlimited repositories, branching/merging, and release management
• Website Development: GitHub Pages for free hosting, custom domains, Jekyll integration, and automatic deployment
• Application Development: Support for all major programming languages (Python, JavaScript, Java, C#, Go, etc.)
• CI/CD Workflows: GitHub Actions for automated testing, deployment, and multi-platform builds
• Development Tools: IDE integrations, cloud platform deployments, code quality tools
• Real-world Examples: Web applications, mobile apps, desktop applications, and more
• Getting Started Guides: Step-by-step instructions for both websites and applications

🔗 README Enhancement

Added a prominent callout box in the main README that links to the new guide:

> **💡 Wondering if GitHub is good for developing applications and websites?** 
> Check out our comprehensive guide: [Is GitHub Suitable for Development?](./GITHUB_FOR_DEVELOPMENT.md)

This ensures users can immediately find the answer to their question while maintaining the existing tutorial flow.

Why This Solution

The original question sought clarification on GitHub's development capabilities. Rather than a simple yes/no answer, this provides:

1. Comprehensive Coverage: Details every aspect of GitHub relevant to application and website development
2. Practical Guidance: Includes real examples and getting-started instructions
3. Educational Value: Aligns with the repository's tutorial purpose
4. Non-intrusive: Doesn't disrupt existing GitHub Skills tutorial functionality

Impact

• Immediate Value: Users get a definitive answer that GitHub is excellent for development
• Educational: Helps newcomers understand GitHub's full development ecosystem
• Future-proof: Comprehensive guide that covers modern development workflows
• Accessible: Prominently linked from the main README for easy discovery

The solution transforms a simple question into an opportunity to educate users about GitHub's extensive development capabilities while maintaining the integrity of the existing tutorial content.

---

💬 Share your feedback on Copilot coding agent for the chance to win a $200 gift card! Click here to start the survey.