docs: enhance README visual presentation

Author: programmersd21

README.md

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+<div align="center">
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 # 📝 Kairo
 
 ![Main App](screenshots/app.png)
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 **⌛ Time, executed well.**
 
+</div>
+
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-### A Premium Terminal Task Manager Designed for Focused Execution
+### ✨ A Premium Terminal Task Manager Designed for Focused Execution
 
-Kairo is a lightning-fast, keyboard-first task management application built for developers and power users. It combines the simplicity of a command-line tool with the sophistication of a modern, premium design system.
+🏃🏻 Kairo is a lightning-fast, keyboard-first task management application built for developers and power users. It combines the simplicity of a command-line tool with the sophistication of a modern, premium design system.
 
 🎯 **Instant Responsiveness** — Sub-millisecond task searching and navigation  
 🎨 **Premium UI Design** — Modern color palette with accessibility at its core