Fix F5 debugging issues and clarify setup instructions

[codegen-sh]

🐛 Fix F5 Debugging Issues

This PR fixes the debugging issues you encountered and clarifies the setup instructions:

🔧 Fixed TypeScript Compilation Error

• Root Cause: Missing DOM types in tsconfig.json causing RequestInit type error
• Solution: Added "DOM" to the lib array in TypeScript configuration
• Result: npm run compile now works without errors, enabling F5 debugging

📖 Clarified F5 Debugging Instructions

• Added requirement: Must have src/extension.ts open in the editor before pressing F5
• Enhanced troubleshooting: Added specific steps for when F5 debugging fails
• Better guidance: Clear instructions on which file to have active

🛠️ Enhanced Debugging Tips

• Pre-debugging checklist: Run npm run compile first to catch TypeScript errors
• Troubleshooting guide: Step-by-step fixes for common F5 debugging issues
• Better error handling: Clear guidance on checking compilation issues

📁 Files Modified

• tsconfig.json - Added DOM lib for proper TypeScript compilation
• README.md - Clarified F5 debugging requirements and troubleshooting

✅ Testing

• Verified npm run compile now works without errors
• TypeScript compilation completes successfully
• F5 debugging should now work properly when src/extension.ts is open

The extension development setup should now work smoothly with F5 debugging! 🚀

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💻 View my work • 👤 Initiated by Jay Hack • 💬 Initiated in #demo • About Codegen
⛔ Remove Codegen from PR • 🚫 Ban action checks