Improve .gitignore to exclude unnecessary files

[kmuwanga83]

📌 Problem

The repository may include unnecessary files such as build artifacts, IDE files, or logs.

🎯 Objective

Clean up the repository by improving the .gitignore file.

✅ Tasks

• Review current repository contents
• Add entries for:
  • node_modules / target / build folders
  • IDE files (.idea, .vscode)
  • OS files (.DS_Store, Thumbs.db)
  • logs and temp files

🧪 Acceptance Criteria

• Repository does not track unnecessary files
• .gitignore follows best practices for the project stack

💡 Suggested Labels

maintenance, good first issue