Powerful new features! 🚀

• ✨ Sub-tasks support
• 🔍 Search functionality
• 📊 Task sorting
• 🎨 Expanded icon library
• 🌍 Enhanced internationalization
• 🔧 Better task management
• ⌨️ Improved keyboard shortcuts
• 🎯 Hide completed tasks
• 📋 Enhanced export options
• 🐛 Bug fixes and performance improvements