Update README with badges, features, and tech stack

Author: MohamedOsamaa74

README.md

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-# Taskify
+# 🎯 Taskify
+
+[![CI](https://github.com/MohamedOsamaa74/Taskify/workflows/CI/badge.svg)](https://github.com/MohamedOsamaa74/Taskify/actions)
+[![.NET](https://img.shields.io/badge/.NET-10.0-512BD4?logo=dotnet)](https://dotnet.microsoft.com/)
+[![License](https://img.shields.io/badge/License-MIT-green.svg)](LICENSE)
+[![GitHub stars](https://img.shields.io/github/stars/MohamedOsamaa74/Taskify?style=social)](https://github.com/MohamedOsamaa74/Taskify/stargazers)
+
+> A modern task management system built with .NET 10 and Clean Architecture principles.
+
+## 📋 About
+
+Taskify is a robust task management API that helps teams organize their work efficiently. Built with industry best practices including:
+
+- ✅ Clean Architecture
+- ✅ Repository Pattern with Unit of Work
+- ✅ JWT Authentication & Authorization
+- ✅ Result Pattern for error handling
+- ✅ Entity Framework Core
+- ✅ ASP.NET Core Identity
+
+## 🚀 Features
+
+- 👥 **Team Management** - Create and manage teams
+- 📝 **Task Organization** - Organize tasks with todo lists
+- 🔐 **Secure Authentication** - JWT-based authentication with role-based authorization
+- 👤 **User Management** - Complete user registration and management system
+- 🎭 **Role-Based Access** - Admin, Moderator, and User roles
+
+## 🛠️ Tech Stack
+
+- **Framework:** .NET 10
+- **Database:** SQL Server with Entity Framework Core
+- **Authentication:** ASP.NET Core Identity + JWT
+- **Architecture:** Clean Architecture (Domain, Application, Infrastructure, API)
+
+## 📁 Project Structure